helium/core: add helium services versioning & update alerts (#599)

2026-04-14 00:14:20 +09:00 · 2025-12-12 15:34:03 +06:00
parent 7c45f2fcd6 a16ae4bd88
commit b82e2921d4
17 changed files with 863 additions and 287 deletions
--- a/devutils/_lint_tests.py
+++ b/devutils/_lint_tests.py
@@ -101,11 +101,11 @@ def c_all_new_headers_have_correct_guard():
            for _line in file[0]:
                line = str(_line)

-                if '#ifndef' in line:
+                if expected["ifndef"] in line:
                    assert found["define"] is None
                    assert found["ifndef"] is None
                    found["ifndef"] = line
-                elif '#define' in line:
+                elif expected["define"] in line:
                    assert found["ifndef"] is not None
                    assert found["define"] is None
                    found["define"] = line
--- a/patches/brave/custom-importer.patch
+++ b/patches/brave/custom-importer.patch
@@ -267,14 +267,14 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
   // Supervised Users.  This setting is queried in our Tast tests (b/241943380).
 --- a/chrome/browser/ui/webui/settings/settings_ui.cc
 +++ b/chrome/browser/ui/webui/settings/settings_ui.cc
-@@ -63,6 +63,7 @@
- #include "chrome/browser/ui/webui/settings/font_handler.h"
- #include "chrome/browser/ui/webui/settings/hats_handler.h"
- #include "chrome/browser/ui/webui/settings/import_data_handler.h"
+@@ -58,6 +58,7 @@
+ #include "chrome/browser/ui/webui/settings/about_handler.h"
+ #include "chrome/browser/ui/webui/settings/accessibility_main_handler.h"
+ #include "chrome/browser/ui/webui/settings/appearance_handler.h"
 +#include "chrome/browser/ui/webui/settings/brave_import_data_handler.h"
- #include "chrome/browser/ui/webui/settings/metrics_reporting_handler.h"
- #include "chrome/browser/ui/webui/settings/on_startup_handler.h"
- #include "chrome/browser/ui/webui/settings/password_manager_handler.h"
+ #include "chrome/browser/ui/webui/settings/browser_lifetime_handler.h"
+ #include "chrome/browser/ui/webui/settings/downloads_handler.h"
+ #include "chrome/browser/ui/webui/settings/font_handler.h"
@@ -203,6 +204,7 @@ void SettingsUI::RegisterProfilePrefs(
   registry->RegisterBooleanPref(prefs::kImportDialogHistory, true);
   registry->RegisterBooleanPref(prefs::kImportDialogSavedPasswords, true);
--- a/patches/helium/core/add-native-bangs.patch
+++ b/patches/helium/core/add-native-bangs.patch
@@ -700,7 +700,7 @@
     // Sanity check for https://crbug.com/781703.
 --- a/components/helium_services/helium_services_helpers.cc
 +++ b/components/helium_services/helium_services_helpers.cc
-@@ -66,6 +66,11 @@ bool ShouldAccessExtensionService(const
+@@ -67,6 +67,11 @@ bool ShouldAccessExtensionService(const
             prefs.GetBoolean(prefs::kHeliumExtProxyEnabled);
 }
 
@@ -714,9 +714,9 @@
         return GetDummyURL();
 --- a/components/helium_services/helium_services_helpers.h
 +++ b/components/helium_services/helium_services_helpers.h
-@@ -18,6 +18,7 @@ const char kHeliumDefaultOrigin[] =
- const char kHeliumDummyOrigin[] =
-     "https://helium-services-are-disabled.qjz9zk";
+@@ -20,6 +20,7 @@ const char kHeliumDummyOrigin[] =
+ 
+ bool ShouldAccessServices(const PrefService& prefs);
 
 +COMPONENT_EXPORT(HELIUM) bool ShouldFetchBangs(const PrefService& prefs);
 COMPONENT_EXPORT(HELIUM) bool ShouldAccessExtensionService(const PrefService& prefs);
@@ -724,19 +724,19 @@
 COMPONENT_EXPORT(HELIUM) GURL GetDummyURL();
 --- a/chrome/browser/ui/webui/settings/settings_localized_strings_provider.cc
 +++ b/chrome/browser/ui/webui/settings/settings_localized_strings_provider.cc
-@@ -2125,6 +2125,9 @@ void AddPrivacyStrings(content::WebUIDat
-       {"heliumServicesToggle", IDS_SETTINGS_HELIUM_SERVICES_TOGGLE},
-       {"heliumServicesToggleDescription",
-         IDS_SETTINGS_HELIUM_SERVICES_TOGGLE_DESCRIPTION},
+@@ -2132,6 +2132,9 @@ void AddPrivacyStrings(content::WebUIDat
+         IDS_SETTINGS_HELIUM_SERVICES_EXT_PROXY_TOGGLE},
+       {"heliumExtProxyToggleDescription",
+         IDS_SETTINGS_HELIUM_SERVICES_EXT_PROXY_TOGGLE_DESCRIPTION},
 +      {"heliumBangsToggle", IDS_SETTINGS_HELIUM_SERVICES_BANGS_TOGGLE},
 +      {"heliumBangsToggleDescription",
 +        IDS_SETTINGS_HELIUM_SERVICES_BANGS_TOGGLE_DESCRIPTION},
-       {"heliumExtProxyToggle",
-         IDS_SETTINGS_HELIUM_SERVICES_EXT_PROXY_TOGGLE},
-       {"heliumExtProxyToggleDescription",
+       {"heliumOriginOverride", IDS_SETTINGS_HELIUM_SERVICES_OVERRIDE},
+       {"heliumOriginOverrideDescription",
+         IDS_SETTINGS_HELIUM_SERVICES_OVERRIDE_DESCRIPTION},
 --- a/chrome/app/settings_strings.grdp
 +++ b/chrome/app/settings_strings.grdp
-@@ -1981,6 +1981,12 @@
+@@ -1987,6 +1987,12 @@
   <message name="IDS_SETTINGS_HELIUM_SERVICES_EXT_PROXY_TOGGLE_DESCRIPTION" desc="Description of the toggle for enabling/disabling of downloading and proxying extensions">
     When enabled, Helium will proxy extension downloads and updates to protect your privacy. When disabled, downloading and updating extensions will not work.
   </message>
@@ -751,7 +751,7 @@
   </message>
 --- a/chrome/browser/resources/settings/privacy_page/services_page.html
 +++ b/chrome/browser/resources/settings/privacy_page/services_page.html
-@@ -50,6 +50,11 @@
+@@ -89,6 +89,11 @@
                 label="$i18n{heliumExtProxyToggle}"
                 sub-label="$i18n{heliumExtProxyToggleDescription}">
             </settings-toggle-button>
@@ -765,9 +765,9 @@
     </template>
 --- a/chrome/browser/ui/browser_ui_prefs.cc
 +++ b/chrome/browser/ui/browser_ui_prefs.cc
-@@ -211,6 +211,7 @@ void RegisterBrowserUserPrefs(user_prefs
- 
-   {
+@@ -213,6 +213,7 @@ void RegisterBrowserUserPrefs(user_prefs
+     registry->RegisterIntegerPref(prefs::kHeliumSchemaVersion, 0);
+     registry->RegisterBooleanPref(prefs::kHeliumDisableSchemaAlerts, false);
     registry->RegisterBooleanPref(prefs::kHeliumServicesEnabled, true);
 +    registry->RegisterBooleanPref(prefs::kHeliumBangsEnabled, true);
     registry->RegisterBooleanPref(prefs::kHeliumExtProxyEnabled, true);
@@ -786,7 +786,7 @@
   (*s_allowlist)[::prefs::kHeliumServicesConsented] =
 --- a/components/helium_services/pref_names.h
 +++ b/components/helium_services/pref_names.h
-@@ -24,6 +24,9 @@ inline constexpr char kHeliumDidOnboardi
+@@ -30,6 +30,9 @@ inline constexpr char kHeliumDidOnboardi
 inline constexpr char kHeliumExtProxyEnabled[] =
     "helium.services.ext_proxy";
 
--- a/patches/helium/core/add-updater-preference.patch
+++ b/patches/helium/core/add-updater-preference.patch
@@ -2,7 +2,7 @@ TODO: guard services_page.html with is_mac

 --- a/components/helium_services/pref_names.h
 +++ b/components/helium_services/pref_names.h
-@@ -27,6 +27,9 @@ inline constexpr char kHeliumExtProxyEna
+@@ -33,6 +33,9 @@ inline constexpr char kHeliumExtProxyEna
 inline constexpr char kHeliumBangsEnabled[] =
     "helium.services.bangs";
 
@@ -14,7 +14,7 @@ TODO: guard services_page.html with is_mac
 
 --- a/components/helium_services/helium_services_helpers.h
 +++ b/components/helium_services/helium_services_helpers.h
-@@ -20,11 +20,13 @@ const char kHeliumDummyOrigin[] =
+@@ -22,11 +22,13 @@ bool ShouldAccessServices(const PrefServ
 
 COMPONENT_EXPORT(HELIUM) bool ShouldFetchBangs(const PrefService& prefs);
 COMPONENT_EXPORT(HELIUM) bool ShouldAccessExtensionService(const PrefService& prefs);
@@ -30,15 +30,7 @@ TODO: guard services_page.html with is_mac
                             PrefChangeRegistrar& registrar, const base::RepeatingClosure& observer);
 --- a/components/helium_services/helium_services_helpers.cc
 +++ b/components/helium_services/helium_services_helpers.cc
-@@ -7,6 +7,7 @@
- #include <optional>
- 
- #include "base/functional/bind.h"
-+#include "base/strings/stringprintf.h"
- #include "components/helium_services/pref_names.h"
- #include "components/prefs/pref_service.h"
- #include "net/base/url_util.h"
-@@ -15,6 +16,12 @@
+@@ -16,6 +16,12 @@
 
 namespace helium {
 
@@ -51,7 +43,7 @@ TODO: guard services_page.html with is_mac
 std::optional<GURL> GetValidUserOverridenURL(std::string_view user_url_) {
     if (user_url_.empty()) {
         return std::nullopt;
-@@ -76,6 +83,11 @@ bool ShouldFetchBangs(const PrefService&
+@@ -77,6 +83,11 @@ bool ShouldFetchBangs(const PrefService&
             prefs.GetBoolean(prefs::kHeliumBangsEnabled);
 }
 
@@ -63,7 +55,7 @@ TODO: guard services_page.html with is_mac
 GURL GetExtensionUpdateURL(const PrefService& prefs) {
     if (!ShouldAccessExtensionService(prefs)) {
         return GetDummyURL();
-@@ -101,6 +113,20 @@ GURL GetSpellcheckURL(const PrefService&
+@@ -102,6 +113,20 @@ GURL GetSpellcheckURL(const PrefService&
     return GetServicesBaseURL(prefs).Resolve("/dict/");
 }
 
@@ -86,7 +78,7 @@ TODO: guard services_page.html with is_mac
   registrar.Add(prefs::kHeliumServicesEnabled, observer);
 --- a/chrome/browser/resources/settings/privacy_page/services_page.html
 +++ b/chrome/browser/resources/settings/privacy_page/services_page.html
-@@ -62,6 +62,13 @@
+@@ -101,6 +101,13 @@
                     sub-label="$i18n{heliumSpellcheckToggleDescription}">
                 </settings-toggle-button>
             </if>
@@ -102,10 +94,10 @@ TODO: guard services_page.html with is_mac
     </template>
 --- a/chrome/browser/ui/webui/settings/settings_localized_strings_provider.cc
 +++ b/chrome/browser/ui/webui/settings/settings_localized_strings_provider.cc
-@@ -2135,6 +2135,10 @@ void AddPrivacyStrings(content::WebUIDat
-         IDS_SETTINGS_HELIUM_SERVICES_EXT_PROXY_TOGGLE},
-       {"heliumExtProxyToggleDescription",
-         IDS_SETTINGS_HELIUM_SERVICES_EXT_PROXY_TOGGLE_DESCRIPTION},
+@@ -2138,6 +2138,10 @@ void AddPrivacyStrings(content::WebUIDat
+       {"heliumSpellcheckToggle", IDS_SETTINGS_HELIUM_SERVICES_SPELLCHECK_TOGGLE},
+       {"heliumSpellcheckToggleDescription",
+         IDS_SETTINGS_HELIUM_SERVICES_SPELLCHECK_TOGGLE_DESCRIPTION},
 +      {"heliumUpdatesToggle",
 +        IDS_SETTINGS_HELIUM_SERVICES_UPDATE},
 +      {"heliumUpdatesToggleDescription",
@@ -126,7 +118,7 @@ TODO: guard services_page.html with is_mac
   (*s_allowlist)[::prefs::kHeliumServicesConsented] =
 --- a/chrome/browser/ui/browser_ui_prefs.cc
 +++ b/chrome/browser/ui/browser_ui_prefs.cc
-@@ -217,6 +217,7 @@ void RegisterBrowserUserPrefs(user_prefs
+@@ -219,6 +219,7 @@ void RegisterBrowserUserPrefs(user_prefs
     registry->RegisterStringPref(prefs::kHeliumServicesOrigin, "");
     registry->RegisterBooleanPref(prefs::kHeliumDidOnboarding, false);
     registry->RegisterBooleanPref(prefs::kHeliumServicesConsented, false);
@@ -136,7 +128,7 @@ TODO: guard services_page.html with is_mac
   registry->RegisterBooleanPref(
 --- a/chrome/app/settings_strings.grdp
 +++ b/chrome/app/settings_strings.grdp
-@@ -1996,6 +1996,12 @@
+@@ -2002,6 +2002,12 @@
   <message name="IDS_SETTINGS_HELIUM_SERVICES_SPELLCHECK_TOGGLE_DESCRIPTION" desc="Description of the for enabling/disabling of downloading spellcheck files">
     Helium will fetch dictionary files used for spell checking when requested. When disabled, spell checking will not work.
   </message>
--- a/patches/helium/core/keyboard-shortcuts.patch
+++ b/patches/helium/core/keyboard-shortcuts.patch
@@ -51,7 +51,7 @@
 }
 
 void BrowserCommandController::TabStateChanged() {
-@@ -1176,6 +1178,14 @@ bool BrowserCommandController::ExecuteCo
+@@ -1179,6 +1181,14 @@ bool BrowserCommandController::ExecuteCo
     case IDC_DUPLICATE_TARGET_TAB:
       DuplicateKeyboardFocusedTab(browser_);
       break;
@@ -66,7 +66,7 @@
     // Hosted App commands
     case IDC_COPY_URL:
       CopyURL(browser_, browser_->tab_strip_model()->GetActiveWebContents());
-@@ -1926,6 +1936,12 @@ void BrowserCommandController::UpdateCom
+@@ -1930,6 +1940,12 @@ void BrowserCommandController::UpdateCom
 
   bool dev_tools_enabled = DevToolsWindow::AllowDevToolsFor(
       profile(), browser_->tab_strip_model()->GetActiveWebContents());
--- a/patches/helium/core/onboarding-page.patch
+++ b/patches/helium/core/onboarding-page.patch
@@ -1,8 +1,8 @@
 --- a/components/helium_services/pref_names.h
 +++ b/components/helium_services/pref_names.h
-@@ -7,12 +7,20 @@
- 
- namespace prefs {
+@@ -13,12 +13,20 @@ inline constexpr char kHeliumSchemaVersi
+ inline constexpr char kHeliumDisableSchemaAlerts[] =
+     "helium.services.disable_schema_alerts";
 
 +inline constexpr char kHeliumPrefPrefix[] = "helium.";
 +
@@ -23,8 +23,8 @@
 #endif  // COMPONENTS_HELIUM_SERVICES_PREF_NAMES_H_
 --- a/chrome/browser/ui/browser_ui_prefs.cc
 +++ b/chrome/browser/ui/browser_ui_prefs.cc
-@@ -208,6 +208,8 @@ void RegisterBrowserUserPrefs(user_prefs
-   {
+@@ -210,6 +210,8 @@ void RegisterBrowserUserPrefs(user_prefs
+     registry->RegisterBooleanPref(prefs::kHeliumDisableSchemaAlerts, false);
     registry->RegisterBooleanPref(prefs::kHeliumServicesEnabled, true);
     registry->RegisterStringPref(prefs::kHeliumServicesOrigin, "");
 +    registry->RegisterBooleanPref(prefs::kHeliumDidOnboarding, false);
@@ -160,36 +160,36 @@
 +
 +#include "chrome/browser/profiles/profile.h"
 +#include "chrome/browser/ui/webui/onboarding/onboarding_handler.h"
+#include "chrome/browser/ui/webui/settings/brave_import_data_handler.h"
 +#include "chrome/browser/ui/webui/settings/search_engines_handler.h"
 +#include "chrome/browser/ui/webui/settings/settings_default_browser_handler.h"
-+#include "chrome/browser/ui/webui/settings/brave_import_data_handler.h"
 +#include "chrome/common/webui_url_constants.h"
-+#include "content/public/browser/web_ui_controller.h"
-+#include "content/public/browser/web_ui_data_source.h"
 +#include "components/helium_onboarding/resources/grit/helium_onboarding_generated.h"
 +#include "components/helium_onboarding/resources/grit/helium_onboarding_generated_map.h"
+#include "content/public/browser/web_ui_controller.h"
+#include "content/public/browser/web_ui_data_source.h"
 +#include "ui/webui/webui_util.h"
 +
-+HeliumOnboardingPage::HeliumOnboardingPage(content::WebUI* web_ui) : WebUIController(web_ui) {
-+    Profile* profile = Profile::FromWebUI(web_ui);
-+    content::WebUIDataSource* source =
-+        content::WebUIDataSource::CreateAndAdd(profile, chrome::kHeliumSetupHost);
+HeliumOnboardingPage::HeliumOnboardingPage(content::WebUI* web_ui)
+    : WebUIController(web_ui) {
+  Profile* profile = Profile::FromWebUI(web_ui);
+  content::WebUIDataSource* source =
+      content::WebUIDataSource::CreateAndAdd(profile, chrome::kHeliumSetupHost);
 +
-+    webui::SetupWebUIDataSource(
-+        source, kHeliumOnboardingGenerated,
-+        IDR_HELIUM_ONBOARDING_INDEX_HTML);
+  webui::SetupWebUIDataSource(source, kHeliumOnboardingGenerated,
+                              IDR_HELIUM_ONBOARDING_INDEX_HTML);
 +
-+    source->UseStringsJs();
-+    source->DisableTrustedTypesCSP();
+  source->UseStringsJs();
+  source->DisableTrustedTypesCSP();
 +
-+    web_ui->AddMessageHandler(
-+        std::make_unique<OnboardingMessageHandler>(profile));
-+    web_ui->AddMessageHandler(
-+        std::make_unique<settings::SearchEnginesHandler>(profile));
-+    web_ui->AddMessageHandler(
-+        std::make_unique<settings::DefaultBrowserHandler>());
-+    web_ui->AddMessageHandler(
-+        std::make_unique<settings::BraveImportDataHandler>());
+  web_ui->AddMessageHandler(
+      std::make_unique<OnboardingMessageHandler>(profile));
+  web_ui->AddMessageHandler(
+      std::make_unique<settings::SearchEnginesHandler>(profile));
+  web_ui->AddMessageHandler(
+      std::make_unique<settings::DefaultBrowserHandler>());
+  web_ui->AddMessageHandler(
+      std::make_unique<settings::BraveImportDataHandler>());
 +}
 +
 +HeliumOnboardingPage::~HeliumOnboardingPage() = default;
@@ -204,8 +204,8 @@
 +#define CHROME_BROWSER_UI_WEBUI_ONBOARDING_ONBOARDING_PAGE_UI_H_
 +
 +#include "chrome/common/webui_url_constants.h"
-+#include "content/public/browser/webui_config.h"
 +#include "content/public/browser/web_ui_controller.h"
+#include "content/public/browser/webui_config.h"
 +
 +class HeliumOnboardingPage;
 +
@@ -213,23 +213,23 @@
 +    : public content::DefaultWebUIConfig<HeliumOnboardingPage> {
 + public:
 +  HeliumOnboardingPageConfig()
-+      : DefaultWebUIConfig(content::kChromeUIScheme,
-+                           chrome::kHeliumSetupHost) {}
+      : DefaultWebUIConfig(content::kChromeUIScheme, chrome::kHeliumSetupHost) {
+  }
 +};
 +
 +class HeliumOnboardingPage : public content::WebUIController {
-+public:
-+    explicit HeliumOnboardingPage(content::WebUI* web_ui);
+ public:
+  explicit HeliumOnboardingPage(content::WebUI* web_ui);
 +
-+    HeliumOnboardingPage(const HeliumOnboardingPage&) = delete;
-+    HeliumOnboardingPage& operator=(const HeliumOnboardingPage&) = delete;
-+    ~HeliumOnboardingPage() override;
+  HeliumOnboardingPage(const HeliumOnboardingPage&) = delete;
+  HeliumOnboardingPage& operator=(const HeliumOnboardingPage&) = delete;
+  ~HeliumOnboardingPage() override;
 +};
 +
-+#endif // CHROME_BROWSER_UI_WEBUI_ONBOARDING_ONBOARDING_PAGE_UI_H_
+#endif  // CHROME_BROWSER_UI_WEBUI_ONBOARDING_ONBOARDING_PAGE_UI_H_
 --- /dev/null
 +++ b/chrome/browser/ui/webui/onboarding/onboarding_handler.cc
-@@ -0,0 +1,190 @@
+@@ -0,0 +1,188 @@
 +// Copyright 2025 The Helium Authors
 +// You can use, redistribute, and/or modify this source code under
 +// the terms of the GPL-3.0 license that can be found in the LICENSE file.
@@ -248,6 +248,7 @@
 +#include "chrome/browser/themes/theme_service_factory.h"
 +#include "chrome/browser/ui/color/chrome_color_id.h"
 +#include "components/helium_services/pref_names.h"
+#include "components/helium_services/schema.h"
 +#include "components/prefs/pref_change_registrar.h"
 +#include "components/prefs/pref_service.h"
 +#include "content/public/browser/web_contents.h"
@@ -255,174 +256,171 @@
 +#include "ui/gfx/color_utils.h"
 +
 +OnboardingMessageHandler::OnboardingMessageHandler(Profile* profile)
-+    : profile_(profile),
-+      pref_service_(profile->GetPrefs()) {
-+    pref_change_registrar_.Init(pref_service_);
+    : profile_(profile), pref_service_(profile->GetPrefs()) {
+  pref_change_registrar_.Init(pref_service_);
 +
-+    for (const auto [ key, _ ] : GetPreferencesDict()) {
-+        pref_change_registrar_.Add(
-+            prefs::kHeliumPrefPrefix + key,
-+            base::BindRepeating(
-+                &OnboardingMessageHandler::OnPreferencesChanged,
-+                base::Unretained(this)
-+            )
-+        );
-+    }
+  for (const auto [key, _] : GetPreferencesDict()) {
+    pref_change_registrar_.Add(
+        prefs::kHeliumPrefPrefix + key,
+        base::BindRepeating(&OnboardingMessageHandler::OnPreferencesChanged,
+                            base::Unretained(this)));
+  }
 +
-+    ThemeServiceFactory::GetForProfile(profile_)->AddObserver(this);
+  ThemeServiceFactory::GetForProfile(profile_)->AddObserver(this);
 +}
 +
 +OnboardingMessageHandler::~OnboardingMessageHandler() {
-+    ThemeServiceFactory::GetForProfile(profile_)->RemoveObserver(this);
+  ThemeServiceFactory::GetForProfile(profile_)->RemoveObserver(this);
 +}
 +
 +base::Value::Dict OnboardingMessageHandler::GetPreferencesDict() {
-+    std::vector<PrefService::PreferenceValueAndStore> values =
-+        pref_service_->GetPreferencesValueAndStore();
-+    base::Value::Dict output;
+  std::vector<PrefService::PreferenceValueAndStore> values =
+      pref_service_->GetPreferencesValueAndStore();
+  base::Value::Dict output;
 +
-+    for (const auto& [name, value, _] : values) {
-+        if (!base::StartsWith(name, prefs::kHeliumPrefPrefix,
-+                base::CompareCase::SENSITIVE)) {
-+            continue;
-+        }
-+
-+        output.Set(
-+            name.substr(sizeof(prefs::kHeliumPrefPrefix) - 1),
-+            value.Clone()
-+        );
+  for (const auto& [name, value, _] : values) {
+    if (!base::StartsWith(name, prefs::kHeliumPrefPrefix,
+                          base::CompareCase::SENSITIVE)) {
+      continue;
 +    }
 +
-+    return output;
+    output.Set(name.substr(sizeof(prefs::kHeliumPrefPrefix) - 1),
+               value.Clone());
+  }
+
+  return output;
 +}
 +
 +void OnboardingMessageHandler::OnThemeChanged() {
-+    AllowJavascript();
-+    FireWebUIListener("ntp-background-changed", GetNTPBackgroundColor());
+  AllowJavascript();
+  FireWebUIListener("ntp-background-changed", GetNTPBackgroundColor());
 +}
 +
 +void OnboardingMessageHandler::OnPreferencesChanged() {
-+    AllowJavascript();
-+    FireWebUIListener("helium-prefs-changed", GetPreferencesDict());
+  AllowJavascript();
+  FireWebUIListener("helium-prefs-changed", GetPreferencesDict());
 +}
 +
 +void OnboardingMessageHandler::RegisterMessages() {
-+    web_ui()->RegisterMessageCallback(
-+        "getPrefs",
-+        base::BindRepeating(&OnboardingMessageHandler::HandleGetPreferences,
-+                            base::Unretained(this)));
-+
-+    web_ui()->RegisterMessageCallback(
-+        "setPref",
-+        base::BindRepeating(&OnboardingMessageHandler::HandleSetPreference,
-+                            base::Unretained(this)));
-+
-+    web_ui()->RegisterMessageCallback(
-+        "getProfileName",
-+        base::BindRepeating(&OnboardingMessageHandler::HandleGetProfileName,
-+                            base::Unretained(this)));
-+
-+    web_ui()->RegisterMessageCallback(
-+        "setProfileName",
-+        base::BindRepeating(&OnboardingMessageHandler::HandleSetProfileName,
-+                            base::Unretained(this)));
-+
-+    web_ui()->RegisterMessageCallback(
-+        "getBackgroundColor",
-+        base::BindRepeating(&OnboardingMessageHandler::HandleGetBackgroundColor,
-+                            base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "getPrefs",
+      base::BindRepeating(&OnboardingMessageHandler::HandleGetPreferences,
+                          base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "setPref",
+      base::BindRepeating(&OnboardingMessageHandler::HandleSetPreference,
+                          base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "acceptLatestSchema",
+      base::BindRepeating(&OnboardingMessageHandler::HandleAcceptSchema,
+                          base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "getProfileName",
+      base::BindRepeating(&OnboardingMessageHandler::HandleGetProfileName,
+                          base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "setProfileName",
+      base::BindRepeating(&OnboardingMessageHandler::HandleSetProfileName,
+                          base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "getBackgroundColor",
+      base::BindRepeating(&OnboardingMessageHandler::HandleGetBackgroundColor,
+                          base::Unretained(this)));
 +}
 +
 +base::Value OnboardingMessageHandler::GetNTPBackgroundColor() {
-+    return base::Value(
-+        color_utils::SkColorToRgbaString(
-+            web_ui()
-+                ->GetWebContents()
-+                ->GetColorProvider().GetColor(kColorNewTabPageBackground)
-+        )
-+    );
+  return base::Value(color_utils::SkColorToRgbaString(
+      web_ui()->GetWebContents()->GetColorProvider().GetColor(
+          kColorNewTabPageBackground)));
 +}
 +
-+void OnboardingMessageHandler::HandleGetBackgroundColor(const base::Value::List& args) {
-+    CHECK_EQ(1U, args.size());
-+    const auto& callback_id = args[0].GetString();
+void OnboardingMessageHandler::HandleGetBackgroundColor(
+    const base::Value::List& args) {
+  CHECK_EQ(1U, args.size());
+  const auto& callback_id = args[0].GetString();
 +
-+    AllowJavascript();
-+    ResolveJavascriptCallback(
-+        base::Value(callback_id), GetNTPBackgroundColor());
+  AllowJavascript();
+  ResolveJavascriptCallback(base::Value(callback_id), GetNTPBackgroundColor());
 +}
 +
-+void OnboardingMessageHandler::HandleGetPreferences(const base::Value::List& args) {
-+    CHECK_EQ(1U, args.size());
-+    const auto& callback_id = args[0].GetString();
+void OnboardingMessageHandler::HandleGetPreferences(
+    const base::Value::List& args) {
+  CHECK_EQ(1U, args.size());
+  const auto& callback_id = args[0].GetString();
 +
-+    AllowJavascript();
-+    ResolveJavascriptCallback(
-+        base::Value(callback_id), base::Value(GetPreferencesDict()));
+  AllowJavascript();
+  ResolveJavascriptCallback(base::Value(callback_id),
+                            base::Value(GetPreferencesDict()));
 +}
 +
-+void OnboardingMessageHandler::HandleGetProfileName(const base::Value::List& args) {
-+    CHECK_EQ(1U, args.size());
-+    const auto& callback_id = args[0].GetString();
+void OnboardingMessageHandler::HandleGetProfileName(
+    const base::Value::List& args) {
+  CHECK_EQ(1U, args.size());
+  const auto& callback_id = args[0].GetString();
 +
-+    ProfileAttributesEntry* entry =
-+        g_browser_process->profile_manager()
-+            ->GetProfileAttributesStorage()
-+            .GetProfileAttributesWithPath(profile_->GetPath());
+  ProfileAttributesEntry* entry =
+      g_browser_process->profile_manager()
+          ->GetProfileAttributesStorage()
+          .GetProfileAttributesWithPath(profile_->GetPath());
 +
-+    if (!entry) {
-+        return RejectJavascriptCallback(callback_id, "entry not found");
-+    }
+  if (!entry) {
+    return RejectJavascriptCallback(callback_id, "entry not found");
+  }
 +
-+    AllowJavascript();
-+    ResolveJavascriptCallback(
-+        base::Value(callback_id),
-+        base::Value(entry->GetLocalProfileName()));
+  AllowJavascript();
+  ResolveJavascriptCallback(base::Value(callback_id),
+                            base::Value(entry->GetLocalProfileName()));
 +}
 +
-+void OnboardingMessageHandler::HandleSetProfileName(const base::Value::List& args) {
-+    CHECK_EQ(1U, args.size());
-+    std::u16string new_name = base::UTF8ToUTF16(args[0].GetString());
-+    base::TrimWhitespace(new_name, base::TRIM_ALL, &new_name);
+void OnboardingMessageHandler::HandleSetProfileName(
+    const base::Value::List& args) {
+  CHECK_EQ(1U, args.size());
+  std::u16string new_name = base::UTF8ToUTF16(args[0].GetString());
+  base::TrimWhitespace(new_name, base::TRIM_ALL, &new_name);
 +
-+    if (!new_name.empty()) {
-+        profiles::UpdateProfileName(profile_, new_name);
-+    }
+  if (!new_name.empty()) {
+    profiles::UpdateProfileName(profile_, new_name);
+  }
 +}
 +
-+void OnboardingMessageHandler::HandleSetPreference(const base::Value::List& args) {
-+    if (args.size() == 0) {
-+        return;
-+    }
+void OnboardingMessageHandler::HandleSetPreference(
+    const base::Value::List& args) {
+  if (args.size() == 0) {
+    return;
+  }
 +
-+    AllowJavascript();
+  AllowJavascript();
 +
-+    const auto& callback_id = args[0].GetString();
-+    if (args.size() != 3) {
-+        return RejectJavascriptCallback(callback_id, "invalid arguments");
-+    }
+  const auto& callback_id = args[0].GetString();
+  if (args.size() != 3) {
+    return RejectJavascriptCallback(callback_id, "invalid arguments");
+  }
 +
-+    if (!args[1].is_string()) {
-+        return RejectJavascriptCallback(callback_id, "pref is not a string");
-+    }
+  if (!args[1].is_string()) {
+    return RejectJavascriptCallback(callback_id, "pref is not a string");
+  }
 +
-+    const auto& pref_name = prefs::kHeliumPrefPrefix + args[1].GetString();
-+    auto* pref = pref_service_->FindPreference(pref_name);
-+    if (!pref) {
-+        return RejectJavascriptCallback(callback_id, pref_name + " does not exist");
-+    }
+  const auto& pref_name = prefs::kHeliumPrefPrefix + args[1].GetString();
+  auto* pref = pref_service_->FindPreference(pref_name);
+  if (!pref) {
+    return RejectJavascriptCallback(callback_id, pref_name + " does not exist");
+  }
 +
-+    if (args[2].type() != pref->GetType()) {
-+        return RejectJavascriptCallback(callback_id, "invalid value type");
-+    }
+  if (args[2].type() != pref->GetType()) {
+    return RejectJavascriptCallback(callback_id, "invalid value type");
+  }
 +
-+    pref_service_->Set(pref_name, args[2].Clone());
+  pref_service_->Set(pref_name, args[2].Clone());
 +
-+    ResolveJavascriptCallback(callback_id, {});
+  ResolveJavascriptCallback(callback_id, {});
+}
+
+void OnboardingMessageHandler::HandleAcceptSchema(const base::Value::List&) {
+  helium::AcceptCurrentSchema(*pref_service_);
 +}
 --- /dev/null
 +++ b/chrome/browser/ui/webui/onboarding/onboarding_handler.h
-@@ -0,0 +1,51 @@
+@@ -0,0 +1,52 @@
 +// Copyright 2025 The Helium Authors
 +// You can use, redistribute, and/or modify this source code under
 +// the terms of the GPL-3.0 license that can be found in the LICENSE file.
@@ -437,10 +435,10 @@
 +#include "base/memory/weak_ptr.h"
 +#include "base/values.h"
 +#include "chrome/browser/profiles/profile.h"
-+#include "components/prefs/pref_service.h"
-+#include "components/prefs/pref_change_registrar.h"
-+#include "content/public/browser/web_ui_message_handler.h"
 +#include "chrome/browser/themes/theme_service_observer.h"
+#include "components/prefs/pref_change_registrar.h"
+#include "components/prefs/pref_service.h"
+#include "content/public/browser/web_ui_message_handler.h"
 +
 +class OnboardingMessageHandler : public content::WebUIMessageHandler,
 +                                 public ThemeServiceObserver {
@@ -455,6 +453,7 @@
 + private:
 +  base::Value::Dict GetPreferencesDict();
 +  void HandleGetPreferences(const base::Value::List& args);
+  void HandleAcceptSchema(const base::Value::List& args);
 +  void HandleSetPreference(const base::Value::List& args);
 +  void HandleGetProfileName(const base::Value::List& args);
 +  void HandleSetProfileName(const base::Value::List& args);
@@ -473,7 +472,7 @@
 +  base::WeakPtrFactory<OnboardingMessageHandler> weak_ptr_factory_{this};
 +};
 +
-+#endif // CHROME_BROWSER_UI_WEBUI_ONBOARDING_ONBOARDING_HANDLER_H_
+#endif  // CHROME_BROWSER_UI_WEBUI_ONBOARDING_ONBOARDING_HANDLER_H_
 --- a/components/helium_services/helium_services_helpers.cc
 +++ b/components/helium_services/helium_services_helpers.cc
@@ -53,12 +53,18 @@ GURL GetDummyURL() {
@@ -494,8 +493,8 @@
   registrar.Add(prefs::kHeliumServicesEnabled, observer);
 +  registrar.Add(prefs::kHeliumServicesConsented, observer);
   registrar.Add(prefs::kHeliumServicesOrigin, observer);
+   registrar.Add(prefs::kHeliumSchemaVersion, observer);
   registrar.Add(pref_name, observer);
- }
 --- a/chrome/browser/ui/incognito_allowed_url.cc
 +++ b/chrome/browser/ui/incognito_allowed_url.cc
@@ -48,7 +48,8 @@ bool IsHostAllowedInIncognito(const GURL
@@ -533,9 +532,9 @@
 
 --- a/chrome/app/settings_strings.grdp
 +++ b/chrome/app/settings_strings.grdp
-@@ -1947,6 +1947,12 @@
-   <message name="IDS_SETTINGS_HELIUM_SERVICES_DESCRIPTION" desc="Description of the controls available on the Helium services settings page">
-     Manage what Helium services are allowed in your browser
+@@ -1953,6 +1953,12 @@
+   <message name="IDS_SETTINGS_HELIUM_SCHEMA_IGNORE" desc="Checkbox label to ignore any future services change alerts">
+     Don't notify me again
   </message>
 +  <message name="IDS_SETTINGS_HELIUM_SERVICES_SETUP_PENDING_TEXT" desc="Description shown in services settings when user has not completed onboarding">
 +    Helium services are not available until setup is complete to ensure your privacy and consent.
@@ -559,9 +558,9 @@
   (*s_allowlist)[::prefs::kPrivacyGuideViewed] =
 --- a/chrome/browser/resources/settings/privacy_page/services_page.html
 +++ b/chrome/browser/resources/settings/privacy_page/services_page.html
-@@ -2,10 +2,42 @@
-     .label-wrapper {
-         padding: var(--cr-section-vertical-padding) 0;
+@@ -25,10 +25,42 @@
+         margin-top: var(--cr-changelog-padding);
+         padding-top: calc(var(--cr-changelog-padding) / 2);
     }
 +
 +    #onboarding-link {
@@ -599,10 +598,10 @@
 +    </template>
 +
 +    <template is="dom-if" if="[[prefs.helium.services.user_consented.value]]">
-     <settings-toggle-button id="servicesToggleButton"
-         pref="{{prefs.helium.services.enabled}}"
-         label="$i18n{heliumServicesToggle}"
-@@ -15,6 +47,7 @@
+         <template is="dom-if" if="[[changes_.length]]">
+           <div id="changelog-notice">
+             <div id="changelog-title">$i18n{heliumSchemaUpdatedTitle}</div>
+@@ -54,6 +86,7 @@
         <cr-collapse id="servicesCollapse" opened="[[prefs.helium.services.enabled.value]]">
         </cr-collapse>
     </div>
--- a/patches/helium/core/proxy-extension-downloads.patch
+++ b/patches/helium/core/proxy-extension-downloads.patch
@@ -177,9 +177,9 @@
   (*s_allowlist)[::prefs::kHeliumServicesConsented] =
 --- a/chrome/browser/ui/browser_ui_prefs.cc
 +++ b/chrome/browser/ui/browser_ui_prefs.cc
-@@ -211,6 +211,7 @@ void RegisterBrowserUserPrefs(user_prefs
- 
-   {
+@@ -213,6 +213,7 @@ void RegisterBrowserUserPrefs(user_prefs
+     registry->RegisterIntegerPref(prefs::kHeliumSchemaVersion, 0);
+     registry->RegisterBooleanPref(prefs::kHeliumDisableSchemaAlerts, false);
     registry->RegisterBooleanPref(prefs::kHeliumServicesEnabled, true);
 +    registry->RegisterBooleanPref(prefs::kHeliumExtProxyEnabled, true);
     registry->RegisterStringPref(prefs::kHeliumServicesOrigin, "");
@@ -187,7 +187,7 @@
     registry->RegisterBooleanPref(prefs::kHeliumServicesConsented, false);
 --- a/chrome/browser/resources/settings/privacy_page/services_page.html
 +++ b/chrome/browser/resources/settings/privacy_page/services_page.html
-@@ -45,6 +45,11 @@
+@@ -84,6 +84,11 @@
     </settings-toggle-button>
     <div class="cr-col">
         <cr-collapse id="servicesCollapse" opened="[[prefs.helium.services.enabled.value]]">
@@ -201,10 +201,10 @@
     </template>
 --- a/chrome/browser/ui/webui/settings/settings_localized_strings_provider.cc
 +++ b/chrome/browser/ui/webui/settings/settings_localized_strings_provider.cc
-@@ -2125,6 +2125,10 @@ void AddPrivacyStrings(content::WebUIDat
-       {"heliumServicesToggle", IDS_SETTINGS_HELIUM_SERVICES_TOGGLE},
-       {"heliumServicesToggleDescription",
-         IDS_SETTINGS_HELIUM_SERVICES_TOGGLE_DESCRIPTION},
+@@ -2128,6 +2128,10 @@ void AddPrivacyStrings(content::WebUIDat
+       {"heliumSchemaUpdatedTitle", IDS_SETTINGS_HELIUM_SCHEMA_NOTICE_TITLE},
+       {"heliumGotIt", IDS_SETTINGS_GOT_IT},
+       {"heliumSchemaIgnore", IDS_SETTINGS_HELIUM_SCHEMA_IGNORE},
 +      {"heliumExtProxyToggle",
 +        IDS_SETTINGS_HELIUM_SERVICES_EXT_PROXY_TOGGLE},
 +      {"heliumExtProxyToggleDescription",
@@ -214,7 +214,7 @@
         IDS_SETTINGS_HELIUM_SERVICES_OVERRIDE_DESCRIPTION},
 --- a/chrome/app/settings_strings.grdp
 +++ b/chrome/app/settings_strings.grdp
-@@ -1975,6 +1975,12 @@
+@@ -1981,6 +1981,12 @@
   <message name="IDS_SETTINGS_HELIUM_SERVICES_TOGGLE_DESCRIPTION" desc="Description of the toggle for enabling/disabling of all Helium services">
     When enabled, Helium will be able to connect to anonymous web services to provide additional functionality. When disabled, additional features will not work.
   </message>
@@ -229,7 +229,7 @@
   </message>
 --- a/components/helium_services/pref_names.h
 +++ b/components/helium_services/pref_names.h
-@@ -21,6 +21,9 @@ inline constexpr char kHeliumServicesCon
+@@ -27,6 +27,9 @@ inline constexpr char kHeliumServicesCon
 inline constexpr char kHeliumDidOnboarding[] =
     "helium.completed_onboarding";
 
@@ -241,7 +241,15 @@
 #endif  // COMPONENTS_HELIUM_SERVICES_PREF_NAMES_H_
 --- a/components/helium_services/helium_services_helpers.cc
 +++ b/components/helium_services/helium_services_helpers.cc
-@@ -61,6 +61,28 @@ bool ShouldAccessServices(const PrefServ
+@@ -7,6 +7,7 @@
+ #include <optional>
+ 
+ #include "base/functional/bind.h"
+#include "base/strings/stringprintf.h"
+ #include "components/helium_services/pref_names.h"
+ #include "components/prefs/pref_service.h"
+ #include "net/base/url_util.h"
+@@ -61,6 +62,28 @@ bool ShouldAccessServices(const PrefServ
            || prefs.HasPrefPath(prefs::kHeliumServicesEnabled));
 }
 
@@ -272,9 +280,9 @@
   registrar.Add(prefs::kHeliumServicesEnabled, observer);
 --- a/components/helium_services/helium_services_helpers.h
 +++ b/components/helium_services/helium_services_helpers.h
-@@ -18,8 +18,11 @@ const char kHeliumDefaultOrigin[] =
- const char kHeliumDummyOrigin[] =
-     "https://helium-services-are-disabled.qjz9zk";
+@@ -20,8 +20,11 @@ const char kHeliumDummyOrigin[] =
+ 
+ bool ShouldAccessServices(const PrefService& prefs);
 
 +COMPONENT_EXPORT(HELIUM) bool ShouldAccessExtensionService(const PrefService& prefs);
 COMPONENT_EXPORT(HELIUM) GURL GetServicesBaseURL(const PrefService& prefs);
--- a/patches/helium/core/reenable-spellcheck-downloads.patch
+++ b/patches/helium/core/reenable-spellcheck-downloads.patch
@@ -45,7 +45,7 @@
 
 --- a/components/helium_services/helium_services_helpers.cc
 +++ b/components/helium_services/helium_services_helpers.cc
-@@ -66,6 +66,11 @@ bool ShouldAccessExtensionService(const
+@@ -67,6 +67,11 @@ bool ShouldAccessExtensionService(const
             prefs.GetBoolean(prefs::kHeliumExtProxyEnabled);
 }
 
@@ -57,7 +57,7 @@
 bool ShouldFetchBangs(const PrefService& prefs) {
     return ShouldAccessServices(prefs) &&
             prefs.GetBoolean(prefs::kHeliumBangsEnabled);
-@@ -88,6 +93,14 @@ GURL GetWebstoreSnippetURL(const PrefSer
+@@ -89,6 +94,14 @@ GURL GetWebstoreSnippetURL(const PrefSer
         base::StringPrintf("/ext/cws_snippet?id=%s", id));
 }
 
@@ -74,7 +74,7 @@
   registrar.Add(prefs::kHeliumServicesEnabled, observer);
 --- a/components/helium_services/helium_services_helpers.h
 +++ b/components/helium_services/helium_services_helpers.h
-@@ -24,6 +24,7 @@ COMPONENT_EXPORT(HELIUM) GURL GetService
+@@ -26,6 +26,7 @@ COMPONENT_EXPORT(HELIUM) GURL GetService
 COMPONENT_EXPORT(HELIUM) GURL GetDummyURL();
 COMPONENT_EXPORT(HELIUM) GURL GetExtensionUpdateURL(const PrefService& prefs);
 COMPONENT_EXPORT(HELIUM) GURL GetWebstoreSnippetURL(const PrefService& prefs, std::string_view id);
@@ -84,7 +84,7 @@
                             PrefChangeRegistrar& registrar, const base::RepeatingClosure& observer);
 --- a/components/helium_services/pref_names.h
 +++ b/components/helium_services/pref_names.h
-@@ -27,6 +27,9 @@ inline constexpr char kHeliumExtProxyEna
+@@ -33,6 +33,9 @@ inline constexpr char kHeliumExtProxyEna
 inline constexpr char kHeliumBangsEnabled[] =
     "helium.services.bangs";
 
@@ -118,7 +118,7 @@
   (*s_allowlist)[::prefs::kHeliumServicesConsented] =
 --- a/chrome/browser/ui/browser_ui_prefs.cc
 +++ b/chrome/browser/ui/browser_ui_prefs.cc
-@@ -213,6 +213,7 @@ void RegisterBrowserUserPrefs(user_prefs
+@@ -215,6 +215,7 @@ void RegisterBrowserUserPrefs(user_prefs
     registry->RegisterBooleanPref(prefs::kHeliumServicesEnabled, true);
     registry->RegisterBooleanPref(prefs::kHeliumBangsEnabled, true);
     registry->RegisterBooleanPref(prefs::kHeliumExtProxyEnabled, true);
@@ -128,7 +128,7 @@
     registry->RegisterBooleanPref(prefs::kHeliumServicesConsented, false);
 --- a/chrome/browser/resources/settings/privacy_page/services_page.html
 +++ b/chrome/browser/resources/settings/privacy_page/services_page.html
-@@ -55,6 +55,13 @@
+@@ -94,6 +94,13 @@
                 label="$i18n{heliumBangsToggle}"
                 sub-label="$i18n{heliumBangsToggleDescription}">
             </settings-toggle-button>
@@ -154,7 +154,7 @@
     </if>
   </if>
   <if expr="is_chromeos">
-@@ -1987,6 +1990,12 @@
+@@ -1993,6 +1996,12 @@
   <message name="IDS_SETTINGS_HELIUM_SERVICES_BANGS_TOGGLE_DESCRIPTION" desc="Description of the toggle for enabling/disabling of downloading bangs">
     Helium will fetch a list of bangs that help you browse the Internet faster, such as !w or !gh. When disabled, bangs will not work.
   </message>
@@ -178,16 +178,16 @@
 #endif
 #endif  // !BUILDFLAG(IS_CHROMEOS)
 #if BUILDFLAG(IS_CHROMEOS)
-@@ -2128,6 +2128,9 @@ void AddPrivacyStrings(content::WebUIDat
+@@ -2135,6 +2135,9 @@ void AddPrivacyStrings(content::WebUIDat
       {"heliumBangsToggle", IDS_SETTINGS_HELIUM_SERVICES_BANGS_TOGGLE},
       {"heliumBangsToggleDescription",
         IDS_SETTINGS_HELIUM_SERVICES_BANGS_TOGGLE_DESCRIPTION},
 +      {"heliumSpellcheckToggle", IDS_SETTINGS_HELIUM_SERVICES_SPELLCHECK_TOGGLE},
 +      {"heliumSpellcheckToggleDescription",
 +        IDS_SETTINGS_HELIUM_SERVICES_SPELLCHECK_TOGGLE_DESCRIPTION},
-       {"heliumExtProxyToggle",
-         IDS_SETTINGS_HELIUM_SERVICES_EXT_PROXY_TOGGLE},
-       {"heliumExtProxyToggleDescription",
+       {"heliumOriginOverride", IDS_SETTINGS_HELIUM_SERVICES_OVERRIDE},
+       {"heliumOriginOverrideDescription",
+         IDS_SETTINGS_HELIUM_SERVICES_OVERRIDE_DESCRIPTION},
 --- a/chrome/common/features.gni
 +++ b/chrome/common/features.gni
@@ -10,6 +10,7 @@ import("//components/compose/features.gn
--- a/patches/helium/core/search/force-eu-search-features.patch
+++ b/patches/helium/core/search/force-eu-search-features.patch
@@ -16,7 +16,7 @@
 #include "components/safe_browsing/core/common/features.h"
 #include "components/safe_browsing/core/common/hashprefix_realtime/hash_realtime_utils.h"
 #include "components/saved_tab_groups/public/features.h"
-@@ -2662,14 +2660,9 @@ void AddSearchStrings(content::WebUIData
+@@ -2665,14 +2663,9 @@ void AddSearchStrings(content::WebUIData
   html_source->AddString("searchExplanationLearnMoreURL",
                          chrome::kOmniboxLearnMoreURL);
 
--- a/patches/helium/core/services-prefs.patch
+++ b/patches/helium/core/services-prefs.patch
@@ -1,6 +1,6 @@
 --- a/chrome/app/settings_strings.grdp
 +++ b/chrome/app/settings_strings.grdp
-@@ -1941,6 +1941,31 @@
+@@ -1941,6 +1941,37 @@
   <message name="IDS_SETTINGS_SECURITY_DESCRIPTION" desc="Description of the controls available on the security settings page">
     Safe Browsing (protection from dangerous sites) and other security settings
   </message>
@@ -10,6 +10,12 @@
 +  <message name="IDS_SETTINGS_HELIUM_SERVICES_DESCRIPTION" desc="Description of the controls available on the Helium services settings page">
 +    Manage what Helium services are allowed in your browser
 +  </message>
+  <message name="IDS_SETTINGS_HELIUM_SCHEMA_NOTICE_TITLE" desc="Title of the alert shown when Helium services have a change in behavior">
+    Updates to Helium services:
+  </message>
+  <message name="IDS_SETTINGS_HELIUM_SCHEMA_IGNORE" desc="Checkbox label to ignore any future services change alerts">
+    Don't notify me again
+  </message>
 +  <message name="IDS_SETTINGS_HELIUM_SERVICES_TOGGLE" desc="Global toggle for enabling/disabling of all Helium services">
 +    Allow connecting to Helium services
 +  </message>
@@ -34,7 +40,7 @@
     Google Advanced Protection Program
 --- a/chrome/browser/ui/webui/settings/settings_localized_strings_provider.cc
 +++ b/chrome/browser/ui/webui/settings/settings_localized_strings_provider.cc
-@@ -2117,6 +2117,18 @@ void AddPrivacyStrings(content::WebUIDat
+@@ -2117,6 +2117,21 @@ void AddPrivacyStrings(content::WebUIDat
       {"siteSettingsSublabel", IDS_SETTINGS_PERMISSIONS_DESCRIPTION},
       {"securityPageTitle", IDS_SETTINGS_SECURITY},
       {"securityPageDescription", IDS_SETTINGS_SECURITY_DESCRIPTION},
@@ -43,6 +49,9 @@
 +      {"heliumServicesToggle", IDS_SETTINGS_HELIUM_SERVICES_TOGGLE},
 +      {"heliumServicesToggleDescription",
 +        IDS_SETTINGS_HELIUM_SERVICES_TOGGLE_DESCRIPTION},
+      {"heliumSchemaUpdatedTitle", IDS_SETTINGS_HELIUM_SCHEMA_NOTICE_TITLE},
+      {"heliumGotIt", IDS_SETTINGS_GOT_IT},
+      {"heliumSchemaIgnore", IDS_SETTINGS_HELIUM_SCHEMA_IGNORE},
 +      {"heliumOriginOverride", IDS_SETTINGS_HELIUM_SERVICES_OVERRIDE},
 +      {"heliumOriginOverrideDescription",
 +        IDS_SETTINGS_HELIUM_SERVICES_OVERRIDE_DESCRIPTION},
@@ -151,17 +160,64 @@
     "privacy_sandbox/privacy_sandbox_ad_measurement_subpage.ts",
     "privacy_sandbox/privacy_sandbox_fledge_subpage.ts",
     "privacy_sandbox/privacy_sandbox_interest_item.ts",
+@@ -390,6 +391,7 @@ build_webui("build") {
+       "languages_page/languages_util.ts",
+       "people_page/import_data_browser_proxy.ts",
+       "people_page/manage_profile_browser_proxy.ts",
+      "privacy_page/changelog_proxy.ts",
+       "system_page/system_page_browser_proxy.ts",
+     ]
+   }
 --- /dev/null
 +++ b/chrome/browser/resources/settings/privacy_page/services_page.html
-@@ -0,0 +1,47 @@
+@@ -0,0 +1,86 @@
 +<style include="cr-shared-style settings-shared">
 +    .label-wrapper {
 +        padding: var(--cr-section-vertical-padding) 0;
 +    }
+
+    #changelog-notice {
+        --cr-changelog-padding: 16px;
+        border-radius: calc(var(--cr-changelog-padding) / 2);
+        margin: var(--cr-changelog-padding);
+        margin-top: 0;
+        padding: var(--cr-changelog-padding);
+        background: var(--md-background-color);
+    }
+
+    #changelog-title {
+        font-size: 15px;
+        font-weight: 500;
+    }
+
+    #changelog-notice-actions {
+        --cr-checkbox-label-padding-start: 8px;
+        display: flex;
+        gap: var(--cr-changelog-padding);
+        border-top: var(--cr-separator-line);
+        margin-top: var(--cr-changelog-padding);
+        padding-top: calc(var(--cr-changelog-padding) / 2);
+    }
 +</style>
 +
 +<settings-subpage page-title="$i18n{heliumServicesTitle}" route-path$="[[routePath]]">
 +<div class="cr-col first">
+        <template is="dom-if" if="[[changes_.length]]">
+          <div id="changelog-notice">
+            <div id="changelog-title">$i18n{heliumSchemaUpdatedTitle}</div>
+            <ul>
+                <template is="dom-repeat" items="[[changes_]]" as="change">
+                    <li>[[change]]</li>
+                </template>
+            </ul>
+            <div id="changelog-notice-actions">
+                <cr-button on-click="onAcknowledgedChangelog_">$i18n{heliumGotIt}</cr-button>
+                <cr-checkbox id="checkbox" checked="{{ignoreChecked_}}">
+                    $i18n{heliumSchemaIgnore}
+                </cr-checkbox>
+            </div>
+          </div>
+        </template>
 +    <settings-toggle-button id="servicesToggleButton"
 +        pref="{{prefs.helium.services.enabled}}"
 +        label="$i18n{heliumServicesToggle}"
@@ -203,24 +259,29 @@
 +</settings-subpage>
 --- /dev/null
 +++ b/chrome/browser/resources/settings/privacy_page/services_page.ts
-@@ -0,0 +1,67 @@
+@@ -0,0 +1,97 @@
 +// Copyright 2025 The Helium Authors
 +// You can use, redistribute, and/or modify this source code under
 +// the terms of the GPL-3.0 license that can be found in the LICENSE file.
 +
-+import {HelpBubbleMixin} from 'chrome://resources/cr_components/help_bubble/help_bubble_mixin.js';
-+import {I18nMixin} from 'chrome://resources/cr_elements/i18n_mixin.js';
 +import {PrefsMixin} from '/shared/settings/prefs/prefs_mixin.js';
-+import {PolymerElement} from 'chrome://resources/polymer/v3_0/polymer/polymer_bundled.min.js';
-+import {getTemplate} from './services_page.html.js';
+import {HelpBubbleMixin} from 'chrome://resources/cr_components/help_bubble/help_bubble_mixin.js';
 +import type {CrInputElement} from 'chrome://resources/cr_elements/cr_input/cr_input.js';
+import {I18nMixin} from 'chrome://resources/cr_elements/i18n_mixin.js';
+import {PolymerElement} from 'chrome://resources/polymer/v3_0/polymer/polymer_bundled.min.js';
+
+import type {HeliumServicesChangeHandler} from './changelog_proxy.js';
+import {HeliumServicesChangeHandlerImpl} from './changelog_proxy.js';
+import {getTemplate} from './services_page.html.js';
 +
 +const SettingsHeliumServicesPageElementBase =
 +    HelpBubbleMixin(I18nMixin(PrefsMixin(PolymerElement)));
 +
-+export class SettingsHeliumServicesPageElement
-+    extends SettingsHeliumServicesPageElementBase
-+{
+export class SettingsHeliumServicesPageElement extends
+    SettingsHeliumServicesPageElementBase {
+  private changeProxy_: HeliumServicesChangeHandler =
+      HeliumServicesChangeHandlerImpl.getInstance();
+
 +  static get is() {
 +    return 'settings-helium-services-page';
 +  }
@@ -230,9 +291,15 @@
 +  }
 +
 +  static get properties() {
-+    return {};
+    return {
+      ignoreChecked_: Boolean,
+      changes_: Array,
+    };
 +  }
 +
+  declare private changes_: string[];
+  declare private ignoreChecked_: boolean;
+
 +  private toOrigin(thing: string) {
 +    try {
 +      return new URL(thing).origin;
@@ -241,6 +308,25 @@
 +    }
 +  }
 +
+  private updateChangelogState(changes: string[]) {
+    this.changes_ = changes.flatMap(ch => ch.split('\n'));
+  }
+
+  private requestChangelog() {
+    this.changeProxy_.requestChangelog().then(
+        this.updateChangelogState.bind(this));
+  }
+
+  private onAcknowledgedChangelog_() {
+    this.changeProxy_.acknowledgeChanges(this.ignoreChecked_);
+    this.requestChangelog();
+  }
+
+  override ready() {
+    super.ready();
+    this.requestChangelog();
+  }
+
 +  protected onOriginOverrideKeydown_(event: KeyboardEvent) {
 +    const target = event.target as CrInputElement;
 +
@@ -299,11 +385,13 @@
 #include "components/policy/core/common/policy_pref_names.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/prefs/pref_registry_simple.h"
-@@ -204,6 +205,11 @@ void RegisterBrowserUserPrefs(user_prefs
+@@ -204,6 +205,13 @@ void RegisterBrowserUserPrefs(user_prefs
                                 false);
 #endif
 
 +  {
+    registry->RegisterIntegerPref(prefs::kHeliumSchemaVersion, 0);
+    registry->RegisterBooleanPref(prefs::kHeliumDisableSchemaAlerts, false);
 +    registry->RegisterBooleanPref(prefs::kHeliumServicesEnabled, true);
 +    registry->RegisterStringPref(prefs::kHeliumServicesOrigin, "");
 +  }
@@ -336,7 +424,7 @@
       settings_api::PrefType::kBoolean;
 --- /dev/null
 +++ b/components/helium_services/BUILD.gn
-@@ -0,0 +1,20 @@
+@@ -0,0 +1,22 @@
 +# Copyright 2025 The Helium Authors
 +# You can use, redistribute, and/or modify this source code under
 +# the terms of the GPL-3.0 license that can be found in the LICENSE file.
@@ -346,6 +434,8 @@
 +    "helium_services_helpers.cc",
 +    "helium_services_helpers.h",
 +    "pref_names.h",
+    "schema.cc",
+    "schema.h",
 +  ]
 +
 +  public_deps = [
@@ -359,7 +449,7 @@
 +}
 --- /dev/null
 +++ b/components/helium_services/helium_services_helpers.cc
-@@ -0,0 +1,66 @@
+@@ -0,0 +1,67 @@
 +// Copyright 2025 The Helium Authors
 +// You can use, redistribute, and/or modify this source code under
 +// the terms of the GPL-3.0 license that can be found in the LICENSE file.
@@ -422,13 +512,14 @@
 +    PrefChangeRegistrar& registrar, const base::RepeatingClosure& observer) {
 +  registrar.Add(prefs::kHeliumServicesEnabled, observer);
 +  registrar.Add(prefs::kHeliumServicesOrigin, observer);
+  registrar.Add(prefs::kHeliumSchemaVersion, observer);
 +  registrar.Add(pref_name, observer);
 +}
 +
 +}  // namespace helium
 --- /dev/null
 +++ b/components/helium_services/helium_services_helpers.h
-@@ -0,0 +1,28 @@
+@@ -0,0 +1,30 @@
 +// Copyright 2025 The Helium Authors
 +// You can use, redistribute, and/or modify this source code under
 +// the terms of the GPL-3.0 license that can be found in the LICENSE file.
@@ -449,6 +540,8 @@
 +const char kHeliumDummyOrigin[] =
 +    "https://helium-services-are-disabled.qjz9zk";
 +
+bool ShouldAccessServices(const PrefService& prefs);
+
 +COMPONENT_EXPORT(HELIUM) GURL GetServicesBaseURL(const PrefService& prefs);
 +COMPONENT_EXPORT(HELIUM) GURL GetDummyURL();
 +COMPONENT_EXPORT(HELIUM) std::optional<GURL> GetValidUserOverridenURL(std::string_view user_url_);
@@ -459,7 +552,7 @@
 +#endif  // COMPONENTS_HELIUM_SERVICES_HELIUM_SERVICES_HELPERS_H_
 --- /dev/null
 +++ b/components/helium_services/pref_names.h
-@@ -0,0 +1,18 @@
+@@ -0,0 +1,24 @@
 +// Copyright 2025 The Helium Authors
 +// You can use, redistribute, and/or modify this source code under
 +// the terms of the GPL-3.0 license that can be found in the LICENSE file.
@@ -469,6 +562,12 @@
 +
 +namespace prefs {
 +
+inline constexpr char kHeliumSchemaVersion[] =
+    "helium.services.schema_version";
+
+inline constexpr char kHeliumDisableSchemaAlerts[] =
+    "helium.services.disable_schema_alerts";
+
 +inline constexpr char kHeliumServicesEnabled[] =
 +    "helium.services.enabled";
 +
@@ -478,3 +577,248 @@
 +}  // namespace prefs
 +
 +#endif  // COMPONENTS_HELIUM_SERVICES_PREF_NAMES_H_
+--- /dev/null
+++ b/chrome/browser/resources/settings/privacy_page/changelog_proxy.ts
+@@ -0,0 +1,40 @@
+// Copyright 2025 The Helium Authors
+// You can use, redistribute, and/or modify this source code under
+// the terms of the GPL-3.0 license that can be found in the LICENSE file.
+
+/**
+ * @fileoverview A helper object used from the "Helium services" section
+ * to request a changelog (if one exists).
+ */
+
+// clang-format off
+import {sendWithPromise} from 'chrome://resources/js/cr.js';
+// clang-format on
+
+export interface HeliumServicesChangeHandler {
+  // Get the pending changes to Helium services to announce
+  // to the user.
+  requestChangelog(): Promise<string[]>;
+  acknowledgeChanges(ignoreAllChangelogs: boolean): void;
+}
+
+export class HeliumServicesChangeHandlerImpl implements
+    HeliumServicesChangeHandler {
+  requestChangelog() {
+    return sendWithPromise('getServicesSchemaChangelog');
+  }
+
+  acknowledgeChanges(ignoreAllChangelogs: boolean) {
+    chrome.send('updateServicesSchemaVersion', [ignoreAllChangelogs]);
+  }
+
+  static getInstance(): HeliumServicesChangeHandler {
+    return instance || (instance = new HeliumServicesChangeHandlerImpl());
+  }
+
+  static setInstance(obj: HeliumServicesChangeHandler) {
+    instance = obj;
+  }
+}
+
+let instance: HeliumServicesChangeHandler|null = null;
+--- /dev/null
+++ b/chrome/browser/ui/webui/settings/services_schema_handler.h
+@@ -0,0 +1,36 @@
+// Copyright 2025 The Helium Authors
+// You can use, redistribute, and/or modify this source code under
+// the terms of the GPL-3.0 license that can be found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_UI_WEBUI_SETTINGS_SERVICES_SCHEMA_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_SETTINGS_SERVICES_SCHEMA_HANDLER_H_
+
+#include <optional>
+#include <string>
+
+#include "base/memory/raw_ptr.h"
+#include "base/values.h"
+#include "content/public/browser/web_ui_message_handler.h"
+
+class Profile;
+class PrefService;
+
+class HeliumServicesSchemaHandler : public content::WebUIMessageHandler {
+ public:
+  explicit HeliumServicesSchemaHandler(Profile* profile);
+  HeliumServicesSchemaHandler(const HeliumServicesSchemaHandler&) = delete;
+  HeliumServicesSchemaHandler& operator=(const HeliumServicesSchemaHandler&) =
+      delete;
+  ~HeliumServicesSchemaHandler() override;
+
+  // SettingsPageUIHandler:
+  void RegisterMessages() override;
+
+ private:
+  void HandleChangelogRequest(const base::Value::List&);
+  void HandleChangelogAcknowledgment(const base::Value::List&);
+
+  raw_ptr<PrefService> pref_service_ = nullptr;
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_SETTINGS_SERVICES_SCHEMA_HANDLER_H_
+--- /dev/null
+++ b/components/helium_services/schema.cc
+@@ -0,0 +1,36 @@
+// Copyright 2025 The Helium Authors
+// You can use, redistribute, and/or modify this source code under
+// the terms of the GPL-3.0 license that can be found in the LICENSE file.
+
+#include "components/helium_services/schema.h"
+
+#include "components/helium_services/helium_services_helpers.h"
+#include "components/helium_services/pref_names.h"
+#include "components/prefs/pref_service.h"
+
+namespace helium {
+
+bool HasAcceptedSchema(const PrefService& prefs, int version) {
+  return prefs.GetBoolean(prefs::kHeliumDisableSchemaAlerts) ||
+         prefs.GetInteger(prefs::kHeliumSchemaVersion) >= version;
+}
+
+void AcceptCurrentSchema(PrefService& prefs) {
+  prefs.SetInteger(prefs::kHeliumSchemaVersion, kHeliumCurrentSchemaVersion);
+}
+
+bool ShouldShowSchemaNotification(const PrefService& prefs) {
+  return ShouldAccessServices(prefs) &&
+         !HasAcceptedSchema(prefs, kHeliumCurrentSchemaVersion);
+}
+
+ServicesChangelog& GetChangelog() {
+  static constexpr auto kHeliumSchemaChangelog =
+      base::MakeFixedFlatMap<int, std::string_view>({
+          {1, "TBA ____________________"}
+      });
+
+  return kHeliumSchemaChangelog;
+}
+
+}  // namespace helium
+--- /dev/null
+++ b/components/helium_services/schema.h
+@@ -0,0 +1,30 @@
+// Copyright 2025 The Helium Authors
+// You can use, redistribute, and/or modify this source code under
+// the terms of the GPL-3.0 license that can be found in the LICENSE file.
+
+#ifndef COMPONENTS_HELIUM_SERVICES_SCHEMA_H_
+#define COMPONENTS_HELIUM_SERVICES_SCHEMA_H_
+
+#include "base/component_export.h"
+#include "base/containers/fixed_flat_map.h"
+#include "components/prefs/pref_service.h"
+
+namespace helium {
+
+inline constexpr int kHeliumCurrentSchemaVersion = 1;
+
+using ServicesChangelog = const base::
+    fixed_flat_map<int, std::string_view, kHeliumCurrentSchemaVersion>;
+
+#define EX COMPONENT_EXPORT(HELIUM)
+
+EX bool HasAcceptedSchema(const PrefService& prefs, int version);
+EX void AcceptCurrentSchema(PrefService& prefs);
+EX bool ShouldShowSchemaNotification(const PrefService& prefs);
+EX ServicesChangelog& GetChangelog();
+
+#undef EX
+
+}  // namespace helium
+
+#endif  // COMPONENTS_HELIUM_SERVICES_SCHEMA_H_
+--- a/chrome/browser/ui/BUILD.gn
+++ b/chrome/browser/ui/BUILD.gn
+@@ -1296,6 +1296,8 @@ static_library("ui") {
+       "webui/settings/saved_info_handler.h",
+       "webui/settings/search_engines_handler.cc",
+       "webui/settings/search_engines_handler.h",
+      "webui/settings/services_schema_handler.cc",
+      "webui/settings/services_schema_handler.h",
+       "webui/settings/settings_clear_browsing_data_handler.cc",
+       "webui/settings/settings_clear_browsing_data_handler.h",
+       "webui/settings/settings_localized_strings_privacy_sandbox_provider.cc",
+--- /dev/null
+++ b/chrome/browser/ui/webui/settings/services_schema_handler.cc
+@@ -0,0 +1,58 @@
+// Copyright 2025 The Helium Authors
+// You can use, redistribute, and/or modify this source code under
+// the terms of the GPL-3.0 license that can be found in the LICENSE file.
+
+#include "chrome/browser/ui/webui/settings/services_schema_handler.h"
+
+#include "base/functional/bind.h"
+#include "base/values.h"
+#include "chrome/browser/profiles/profile.h"
+#include "components/helium_services/pref_names.h"
+#include "components/helium_services/schema.h"
+#include "components/prefs/pref_service.h"
+
+HeliumServicesSchemaHandler::HeliumServicesSchemaHandler(Profile* profile)
+    : pref_service_(profile->GetPrefs()) {}
+
+HeliumServicesSchemaHandler::~HeliumServicesSchemaHandler() = default;
+
+void HeliumServicesSchemaHandler::RegisterMessages() {
+  web_ui()->RegisterMessageCallback(
+      "getServicesSchemaChangelog",
+      base::BindRepeating(&HeliumServicesSchemaHandler::HandleChangelogRequest,
+                          base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "updateServicesSchemaVersion",
+      base::BindRepeating(
+          &HeliumServicesSchemaHandler::HandleChangelogAcknowledgment,
+          base::Unretained(this)));
+}
+
+void HeliumServicesSchemaHandler::HandleChangelogRequest(
+    const base::Value::List& args) {
+  CHECK_EQ(1U, args.size());
+  const auto& callback_id = args[0].GetString();
+  base::Value::List out;
+
+  if (helium::ShouldShowSchemaNotification(*pref_service_)) {
+    int user_version = pref_service_->GetInteger(prefs::kHeliumSchemaVersion);
+    auto& changelog = helium::GetChangelog();
+
+    for (auto it = changelog.upper_bound(user_version); it != changelog.end();
+         ++it) {
+      out.Append(it->second);
+    }
+  }
+
+  AllowJavascript();
+  ResolveJavascriptCallback(base::Value(callback_id), std::move(out));
+}
+
+void HeliumServicesSchemaHandler::HandleChangelogAcknowledgment(
+    const base::Value::List& args) {
+  CHECK_EQ(1U, args.size());
+  bool ignore_alerts = args[0].GetBool();
+
+  helium::AcceptCurrentSchema(*pref_service_);
+  pref_service_->SetBoolean(prefs::kHeliumDisableSchemaAlerts, ignore_alerts);
+}
+--- a/chrome/browser/ui/webui/settings/settings_ui.cc
+++ b/chrome/browser/ui/webui/settings/settings_ui.cc
+@@ -76,6 +76,7 @@
+ #include "chrome/browser/ui/webui/settings/safety_hub_handler.h"
+ #include "chrome/browser/ui/webui/settings/saved_info_handler.h"
+ #include "chrome/browser/ui/webui/settings/search_engines_handler.h"
+#include "chrome/browser/ui/webui/settings/services_schema_handler.h"
+ #include "chrome/browser/ui/webui/settings/settings_clear_browsing_data_handler.h"
+ #include "chrome/browser/ui/webui/settings/settings_localized_strings_provider.h"
+ #include "chrome/browser/ui/webui/settings/settings_media_devices_selection_handler.h"
+@@ -252,6 +253,8 @@ SettingsUI::SettingsUI(content::WebUI* w
+   AddSettingsPageUIHandler(std::make_unique<ProtocolHandlersHandler>(profile));
+   AddSettingsPageUIHandler(std::make_unique<PrivacySandboxHandler>());
+   AddSettingsPageUIHandler(std::make_unique<SearchEnginesHandler>(profile));
+  AddSettingsPageUIHandler(
+      std::make_unique<HeliumServicesSchemaHandler>(profile));
+   AddSettingsPageUIHandler(std::make_unique<SecureDnsHandler>());
+   AddSettingsPageUIHandler(std::make_unique<SiteSettingsHandler>(profile));
+   AddSettingsPageUIHandler(std::make_unique<StartupPagesHandler>(web_ui));
--- a/patches/helium/core/services-schema-nag.patch
+++ b/patches/helium/core/services-schema-nag.patch
@@ -0,0 +1,232 @@
+--- a/chrome/app/chromium_strings.grd
+++ b/chrome/app/chromium_strings.grd
+@@ -956,6 +956,10 @@ Chromium is unable to recover your setti
+         Customize and control Chromium. Update is available.
+       </message>
+ 
+      <message name="IDS_APPMENU_TOOLTIP_HELIUM_SERVICES_UPDATE" desc="The tooltip to show for the browser menu when Helium services schema changes">
+        Helium services have been updated. Please review the changes.
+      </message>
+
+       <message name="IDS_APPMENU_TOOLTIP_ALERT" desc="The tooltip to show for the browser menu when a non-update alert is displayed">
+         Customize and control Chromium. Something needs your attention - click for details.
+       </message>
+@@ -1620,6 +1624,11 @@ Chromium is unable to recover your setti
+         Chromium couldn't update to the latest version, so you're missing out on new features and security fixes.
+       </message>
+ 
+      <!-- Helium services schema change bubble -->
+      <message name="IDS_HELIUM_SERVICES_SCHEMA_MENU_ITEM" desc="Text for the bubble that notifies the user of a schema change in Helium services.">
+        Review Helium services updates
+      </message>
+
+       <!-- User menu errors -->
+       <message name="IDS_SYNC_ERROR_USER_MENU_UPGRADE_BUTTON" desc="Button in the header of desktop user menu that prompts the user to update Chrome to fix the out-of-date Chrome client error.">
+         Update Chromium
+--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
+@@ -13186,6 +13186,9 @@ Check your passwords anytime in <ph name
+       <message name="IDS_APP_MENU_BUTTON_UPDATE" desc="Short label next to app-menu button when an update is available.">
+         Update
+       </message>
+      <message name="IDS_APP_MENU_BUTTON_HELIUM_SERVICES_UPDATE" desc="Short label next to app-menu button when Helium services behavior changes.">
+        Services updated
+      </message>
+       <if expr="is_win or is_macosx or is_linux">
+         <message name="IDS_APP_MENU_BUTTON_UPDATE_ALT1" desc="Alternate short label next to app-menu button when an update is available.">
+           Finish update
+--- a/chrome/app/chrome_command_ids.h
+++ b/chrome/app/chrome_command_ids.h
+@@ -301,6 +301,7 @@
+ #define IDC_SHOW_COMMENTS_SIDE_PANEL  40297
+ #define IDC_RECENT_TABS_SEE_DEVICE_TABS  40298
+ #define IDC_SHOW_AI_MODE_OMNIBOX_BUTTON 40299
+#define IDC_HELIUM_SERVICES_OPEN 40300
+ 
+ // Spell-check
+ // Insert any additional suggestions before _LAST; these have to be consecutive.
+--- a/chrome/browser/ui/chrome_pages.h
+++ b/chrome/browser/ui/chrome_pages.h
+@@ -138,6 +138,7 @@ void ShowSafeBrowsingEnhancedProtectionW
+     safe_browsing::SafeBrowsingSettingReferralMethod referral_method);
+ void ShowImportDialog(Browser* browser);
+ void ShowAboutChrome(Browser* browser);
+void ShowHeliumServices(Browser* browser);
+ void ShowSearchEngineSettings(Browser* browser);
+ void ShowWebStore(Browser* browser, std::string_view utm_source_value);
+ void ShowPrivacySandboxSettings(Browser* browser);
+--- a/chrome/browser/ui/chrome_pages.cc
+++ b/chrome/browser/ui/chrome_pages.cc
+@@ -615,6 +615,11 @@ void ShowAboutChrome(Browser* browser) {
+   ShowSingletonTabIgnorePathOverwriteNTP(browser, GURL(kChromeUIHelpURL));
+ }
+ 
+void ShowHeliumServices(Browser* browser) {
+  ShowSingletonTabIgnorePathOverwriteNTP(
+      browser, GURL("chrome://settings/privacy/services"));
+}
+
+ void ShowSearchEngineSettings(Browser* browser) {
+   base::RecordAction(UserMetricsAction("EditSearchEngines"));
+   ShowSettingsSubPage(browser, kSearchEnginesSubPage);
+--- a/chrome/browser/ui/browser_command_controller.cc
+++ b/chrome/browser/ui/browser_command_controller.cc
+@@ -1067,6 +1067,9 @@ bool BrowserCommandController::ExecuteCo
+     case IDC_UPGRADE_DIALOG:
+       OpenUpdateChromeDialog(browser_);
+       break;
+    case IDC_HELIUM_SERVICES_OPEN:
+      ShowHeliumServices(browser_->GetBrowserForOpeningWebUi());
+      break;
+     case IDC_OPEN_SAFETY_HUB:
+       ShowSettingsSubPage(browser_->GetBrowserForOpeningWebUi(),
+                           chrome::kSafetyHubSubPage);
+@@ -1631,6 +1634,7 @@ void BrowserCommandController::InitComma
+ 
+   // These are always enabled; the menu determines their menu item visibility.
+   command_updater_.UpdateCommandEnabled(IDC_UPGRADE_DIALOG, true);
+  command_updater_.UpdateCommandEnabled(IDC_HELIUM_SERVICES_OPEN, true);
+   command_updater_.UpdateCommandEnabled(IDC_SET_BROWSER_AS_DEFAULT, true);
+ 
+   // Safety Hub commands.
+--- a/chrome/browser/ui/toolbar/app_menu_model.h
+++ b/chrome/browser/ui/toolbar/app_menu_model.h
+@@ -281,6 +281,9 @@ class AppMenuModel : public ui::SimpleMe
+   // boolean indicating whether any menu items were added.
+   bool AddDefaultBrowserMenuItems();
+ 
+  // Adds a nag to review Helium services permission changes
+  bool AddHeliumSchemaItem();
+
+   // Adds the Safety Hub menu notifications to the menu. Returns a boolean
+   // indicating whether any menu items were added.
+   [[nodiscard]] bool AddSafetyHubMenuItem();
+--- a/chrome/browser/ui/toolbar/app_menu_model.cc
+++ b/chrome/browser/ui/toolbar/app_menu_model.cc
+@@ -104,6 +104,7 @@
+ #include "components/dom_distiller/core/url_utils.h"
+ #include "components/feature_engagement/public/event_constants.h"
+ #include "components/feature_engagement/public/feature_constants.h"
+#include "components/helium_services/schema.h"
+ #include "components/lens/lens_features.h"
+ #include "components/omnibox/browser/vector_icons.h"
+ #include "components/password_manager/content/common/web_ui_constants.h"
+@@ -2062,7 +2063,8 @@ bool AppMenuModel::AddGlobalErrorMenuIte
+   // how update the menu if new errors are added.
+   const GlobalErrorService::GlobalErrorList& errors =
+       GlobalErrorServiceFactory::GetForProfile(browser_->profile())->errors();
+-  bool menu_items_added = false;
+  bool menu_items_added = AddHeliumSchemaItem();
+
+   for (GlobalError* error : errors) {
+     DCHECK(error);
+     if (error->HasMenuItem()) {
+@@ -2126,6 +2128,22 @@ bool AppMenuModel::AddSafetyHubMenuItem(
+   return true;
+ }
+ 
+bool AppMenuModel::AddHeliumSchemaItem() {
+  if (!helium::ShouldShowSchemaNotification(
+          *browser()->profile()->GetPrefs())) {
+    return false;
+  }
+
+  const auto update_icon = ui::ImageModel::FromVectorIcon(
+      omnibox::kProductChromeRefreshIcon, ui::kColorMenuIcon, kDefaultIconSize);
+  AddItemWithIcon(
+      IDC_HELIUM_SERVICES_OPEN,
+      l10n_util::GetStringUTF16(IDS_HELIUM_SERVICES_SCHEMA_MENU_ITEM),
+      update_icon);
+
+  return true;
+}
+
+ #if BUILDFLAG(IS_CHROMEOS)
+ void AppMenuModel::UpdateSettingsItemState() {
+   bool is_disabled =
+--- a/chrome/browser/ui/toolbar/app_menu_icon_controller.cc
+++ b/chrome/browser/ui/toolbar/app_menu_icon_controller.cc
+@@ -8,11 +8,15 @@
+ #include "build/build_config.h"
+ #include "chrome/app/vector_icons/vector_icons.h"
+ #include "chrome/browser/defaults.h"
+#include "chrome/browser/profiles/profile.h"
+ #include "chrome/browser/ui/global_error/global_error.h"
+ #include "chrome/browser/ui/global_error/global_error_service_factory.h"
+ #include "chrome/browser/ui/ui_features.h"
+ #include "chrome/browser/upgrade_detector/upgrade_detector.h"
+ #include "chrome/common/channel_info.h"
+#include "components/helium_services/pref_names.h"
+#include "components/helium_services/schema.h"
+#include "components/prefs/pref_change_registrar.h"
+ #include "components/version_info/channel.h"
+ #include "ui/gfx/paint_vector_icon.h"
+ 
+@@ -109,6 +113,14 @@ AppMenuIconController::AppMenuIconContro
+       GlobalErrorServiceFactory::GetForProfile(profile_));
+ 
+   upgrade_detector_->AddObserver(this);
+
+  if (auto* prefs = profile->GetPrefs()) {
+    registrar_.Init(prefs);
+    registrar_.Add(
+        prefs::kHeliumSchemaVersion,
+        base::BindRepeating(&AppMenuIconController::OnGlobalErrorsChanged,
+                            base::Unretained(this)));
+  }
+ }
+ 
+ AppMenuIconController::~AppMenuIconController() {
+@@ -141,6 +153,12 @@ AppMenuIconController::GetTypeAndSeverit
+                         ->GetHighestSeverityGlobalErrorWithAppMenuItem()) {
+     return {IconType::kGlobalError, SeverityFromError(error)};
+   }
+
+  if (auto* prefs = profile_->GetPrefs()) {
+    if (helium::ShouldShowSchemaNotification(*prefs)) {
+      return {IconType::kHeliumServicesUpdate, Severity::kLow};
+    }
+  }
+ #endif
+ 
+   return {IconType::kNone, Severity::kNone};
+--- a/chrome/browser/ui/toolbar/app_menu_icon_controller.h
+++ b/chrome/browser/ui/toolbar/app_menu_icon_controller.h
+@@ -15,6 +15,7 @@
+ #include "chrome/browser/ui/global_error/global_error_observer.h"
+ #include "chrome/browser/ui/global_error/global_error_service.h"
+ #include "chrome/browser/upgrade_detector/upgrade_observer.h"
+#include "components/prefs/pref_change_registrar.h"
+ #include "third_party/skia/include/core/SkColor.h"
+ #include "ui/base/models/image_model.h"
+ 
+@@ -29,6 +30,7 @@ class AppMenuIconController : public Glo
+   enum class IconType {
+     kNone,
+     kUpgradeNotification,
+    kHeliumServicesUpdate,
+     kGlobalError,
+   };
+   enum class Severity {
+@@ -93,6 +95,7 @@ class AppMenuIconController : public Glo
+   const raw_ptr<Delegate> delegate_;
+   base::ScopedObservation<GlobalErrorService, GlobalErrorObserver>
+       global_error_observation_{this};
+  PrefChangeRegistrar registrar_;
+ };
+ 
+ #endif  // CHROME_BROWSER_UI_TOOLBAR_APP_MENU_ICON_CONTROLLER_H_
+--- a/chrome/browser/ui/views/toolbar/browser_app_menu_button.cc
+++ b/chrome/browser/ui/views/toolbar/browser_app_menu_button.cc
+@@ -214,6 +214,11 @@ void BrowserAppMenuButton::UpdateTextAnd
+ #else
+     text = l10n_util::GetStringUTF16(IDS_APP_MENU_BUTTON_UPDATE);
+ #endif
+  } else if (type_and_severity_.type ==
+             AppMenuIconController::IconType::kHeliumServicesUpdate) {
+    tooltip_message_id = IDS_APPMENU_TOOLTIP_HELIUM_SERVICES_UPDATE;
+    text =
+        l10n_util::GetStringUTF16(IDS_APP_MENU_BUTTON_HELIUM_SERVICES_UPDATE);
+   } else {
+     tooltip_message_id = IDS_APPMENU_TOOLTIP_ALERT;
+     const int text_id =
--- a/patches/helium/core/ublock-helium-services.patch
+++ b/patches/helium/core/ublock-helium-services.patch
@@ -29,7 +29,7 @@
   registrar.Add(prefs::kHeliumServicesEnabled, observer);
 --- a/components/helium_services/helium_services_helpers.h
 +++ b/components/helium_services/helium_services_helpers.h
-@@ -21,12 +21,14 @@ const char kHeliumDummyOrigin[] =
+@@ -23,12 +23,14 @@ bool ShouldAccessServices(const PrefServ
 COMPONENT_EXPORT(HELIUM) bool ShouldFetchBangs(const PrefService& prefs);
 COMPONENT_EXPORT(HELIUM) bool ShouldAccessExtensionService(const PrefService& prefs);
 COMPONENT_EXPORT(HELIUM) bool ShouldAccessUpdateService(const PrefService& prefs);
@@ -46,7 +46,7 @@
                             PrefChangeRegistrar& registrar, const base::RepeatingClosure& observer);
 --- a/components/helium_services/pref_names.h
 +++ b/components/helium_services/pref_names.h
-@@ -33,6 +33,8 @@ inline constexpr char kHeliumUpdateFetch
+@@ -39,6 +39,8 @@ inline constexpr char kHeliumUpdateFetch
 inline constexpr char kHeliumSpellcheckEnabled[] =
     "helium.services.spellcheck_files";
 
@@ -68,7 +68,7 @@
   (*s_allowlist)[::prefs::kHeliumServicesConsented] =
 --- a/chrome/browser/ui/browser_ui_prefs.cc
 +++ b/chrome/browser/ui/browser_ui_prefs.cc
-@@ -218,6 +218,7 @@ void RegisterBrowserUserPrefs(user_prefs
+@@ -220,6 +220,7 @@ void RegisterBrowserUserPrefs(user_prefs
     registry->RegisterBooleanPref(prefs::kHeliumDidOnboarding, false);
     registry->RegisterBooleanPref(prefs::kHeliumServicesConsented, false);
     registry->RegisterBooleanPref(prefs::kHeliumUpdateFetchingEnabled, true);
@@ -217,7 +217,7 @@
                 if ( bin.assetSourceRegistry instanceof Object ) {
 --- a/chrome/app/settings_strings.grdp
 +++ b/chrome/app/settings_strings.grdp
-@@ -2002,6 +2002,12 @@
+@@ -2008,6 +2008,12 @@
   <message name="IDS_SETTINGS_HELIUM_SERVICES_UPDATE_DESCRIPTION" desc="Description of the toggle for automatic update downloads">
     Helium will automatically download and install browser updates as they become available. We recommend keeping this setting enabled to ensure you get the latest security patches and features.
   </message>
@@ -232,7 +232,7 @@
   </message>
 --- a/chrome/browser/resources/settings/privacy_page/services_page.html
 +++ b/chrome/browser/resources/settings/privacy_page/services_page.html
-@@ -69,6 +69,11 @@
+@@ -108,6 +108,11 @@
                     sub-label="$i18n{heliumUpdatesToggleDescription}">
                 </settings-toggle-button>
             </if>
@@ -246,7 +246,7 @@
     </template>
 --- a/chrome/browser/ui/webui/settings/settings_localized_strings_provider.cc
 +++ b/chrome/browser/ui/webui/settings/settings_localized_strings_provider.cc
-@@ -2139,6 +2139,10 @@ void AddPrivacyStrings(content::WebUIDat
+@@ -2142,6 +2142,10 @@ void AddPrivacyStrings(content::WebUIDat
         IDS_SETTINGS_HELIUM_SERVICES_UPDATE},
       {"heliumUpdatesToggleDescription",
         IDS_SETTINGS_HELIUM_SERVICES_UPDATE_DESCRIPTION},
--- a/patches/helium/settings/fix-text-on-cookies-page.patch
+++ b/patches/helium/settings/fix-text-on-cookies-page.patch
@@ -10,7 +10,7 @@
   <message name="IDS_SETTINGS_ENABLE_DO_NOT_TRACK_DIALOG_LEARN_MORE_ACCESSIBILITY_LABEL" desc="The accessibility label for a link to learn more about Do Not Track">
     Learn more about Do Not Track
   </message>
-@@ -3207,6 +3210,9 @@
+@@ -3213,6 +3216,9 @@
   <message name="IDS_SETTINGS_TRACKING_PROTECTION_SITES_ALLOWED_COOKIES_DESCRIPTION" desc="Description of the section on the Tracking Protection settings page that lets users manage which sites are allowed to use third-party cookies. Explains how to use a wildcard to create an exception for an entire domain.">
     Affects the sites listed here. Inserting “[*.]” before a domain name creates an exception for the entire domain. For example, adding “[*.]google.com” means that third-party cookies can also be active for mail.google.com, because it’s part of google.com.
   </message>
@@ -31,7 +31,7 @@
       {"doNotTrackDialogLearnMoreA11yLabel",
        IDS_SETTINGS_ENABLE_DO_NOT_TRACK_DIALOG_LEARN_MORE_ACCESSIBILITY_LABEL},
       // TODO(crbug.com/40122957): This string is no longer used. Remove.
-@@ -2829,7 +2829,7 @@ void AddSiteSettingsStrings(content::Web
+@@ -2832,7 +2832,7 @@ void AddSiteSettingsStrings(content::Web
       {"trackingProtectionSitesAllowedCookiesTitle",
        IDS_SETTINGS_TRACKING_PROTECTION_SITES_ALLOWED_COOKIES_TITLE},
       {"trackingProtectionSitesAllowedCookiesDescription",
--- a/patches/helium/ui/app-menu-button.patch
+++ b/patches/helium/ui/app-menu-button.patch
@@ -52,10 +52,10 @@
 -#else
     text = l10n_util::GetStringUTF16(IDS_APP_MENU_BUTTON_UPDATE);
 -#endif
-   } else {
-     tooltip_message_id = IDS_APPMENU_TOOLTIP_ALERT;
-     const int text_id =
-@@ -228,37 +199,19 @@ void BrowserAppMenuButton::UpdateTextAnd
+   } else if (type_and_severity_.type ==
+              AppMenuIconController::IconType::kHeliumServicesUpdate) {
+     tooltip_message_id = IDS_APPMENU_TOOLTIP_HELIUM_SERVICES_UPDATE;
+@@ -233,37 +204,19 @@ void BrowserAppMenuButton::UpdateTextAnd
 }
 
 bool BrowserAppMenuButton::ShouldPaintBorder() const {
--- a/patches/helium/ui/app-menu-model.patch
+++ b/patches/helium/ui/app-menu-model.patch
@@ -1,6 +1,6 @@
 --- a/chrome/browser/ui/toolbar/app_menu_model.cc
 +++ b/chrome/browser/ui/toolbar/app_menu_model.cc
-@@ -739,9 +739,6 @@ SaveAndShareSubMenuModel::SaveAndShareSu
+@@ -740,9 +740,6 @@ SaveAndShareSubMenuModel::SaveAndShareSu
     if (!sharing_hub::SharingIsDisabledByPolicy(browser->profile())) {
       AddItemWithStringIdAndVectorIcon(
           this, IDC_COPY_URL, IDS_APP_MENU_COPY_LINK, kLinkChromeRefreshIcon);
@@ -10,7 +10,7 @@
       AddItemWithStringIdAndVectorIcon(this, IDC_QRCODE_GENERATOR,
                                        IDS_APP_MENU_CREATE_QR_CODE,
                                        kQrCodeChromeRefreshIcon);
-@@ -885,14 +882,6 @@ void ToolsMenuModel::Build(Browser* brow
+@@ -886,14 +883,6 @@ void ToolsMenuModel::Build(Browser* brow
   AddItemWithStringIdAndVectorIcon(this, IDC_NAME_WINDOW, IDS_NAME_WINDOW,
                                    kNameWindowIcon);
 
@@ -25,7 +25,7 @@
   if (base::FeatureList::IsEnabled(contextual_tasks::kContextualTasks)) {
     AddItemWithStringIdAndVectorIcon(
         this, IDC_SHOW_CONTEXTUAL_TASKS_SIDE_PANEL,
-@@ -901,15 +890,6 @@ void ToolsMenuModel::Build(Browser* brow
+@@ -902,15 +891,6 @@ void ToolsMenuModel::Build(Browser* brow
 
   AddSeparator(ui::NORMAL_SEPARATOR);
 
@@ -41,7 +41,7 @@
   AddItemWithStringIdAndVectorIcon(this, IDC_PERFORMANCE, IDS_SHOW_PERFORMANCE,
                                    kPerformanceIcon);
   SetElementIdentifierAt(GetIndexOfCommandId(IDC_PERFORMANCE).value(),
-@@ -1760,22 +1740,8 @@ void AppMenuModel::Build() {
+@@ -1761,22 +1741,8 @@ void AppMenuModel::Build() {
   // Build (and, by extension, Init) should only be called once.
   DCHECK_EQ(0u, GetItemCount());
 
@@ -66,7 +66,7 @@
     AddSeparator(ui::NORMAL_SEPARATOR);
   }
 
-@@ -1812,43 +1778,6 @@ void AppMenuModel::Build() {
+@@ -1813,43 +1779,6 @@ void AppMenuModel::Build() {
 
   AddSeparator(ui::NORMAL_SEPARATOR);
 
@@ -110,7 +110,7 @@
   if (!browser_->profile()->IsOffTheRecord()) {
     auto recent_tabs_sub_menu =
         std::make_unique<RecentTabsSubMenuModel>(provider_, browser_);
-@@ -1870,7 +1799,7 @@ void AppMenuModel::Build() {
+@@ -1871,7 +1800,7 @@ void AppMenuModel::Build() {
         std::make_unique<BookmarkSubMenuModel>(this, browser_);
 
     AddSubMenuWithStringIdAndVectorIcon(
@@ -119,7 +119,7 @@
         bookmark_sub_menu_model_.get(), kBookmarksListsMenuIcon);
     SetElementIdentifierAt(GetIndexOfCommandId(IDC_BOOKMARKS_MENU).value(),
                            kBookmarksMenuItem);
-@@ -1887,23 +1816,10 @@ void AppMenuModel::Build() {
+@@ -1888,23 +1817,10 @@ void AppMenuModel::Build() {
         kTabGroupsMenuItem);
   }
 
@@ -147,7 +147,7 @@
 
   AddItemWithStringIdAndVectorIcon(this, IDC_CLEAR_BROWSING_DATA,
                                    IDS_CLEAR_BROWSING_DATA,
-@@ -1950,9 +1866,6 @@ void AppMenuModel::Build() {
+@@ -1951,9 +1867,6 @@ void AppMenuModel::Build() {
             lens::features::kLensOverlay));
   }
 
@@ -157,7 +157,7 @@
   CreateFindAndEditSubMenu();
 
   sub_menus_.push_back(
-@@ -2001,6 +1914,12 @@ void AppMenuModel::Build() {
+@@ -2002,6 +1915,12 @@ void AppMenuModel::Build() {
 #endif
 #endif
 
@@ -170,7 +170,7 @@
   AddItemWithStringIdAndVectorIcon(this, IDC_OPTIONS, IDS_SETTINGS,
                                    kSettingsMenuIcon);
 
-@@ -2096,34 +2015,21 @@ bool AppMenuModel::AddDefaultBrowserMenu
+@@ -2098,34 +2017,21 @@ bool AppMenuModel::AddDefaultBrowserMenu
   return false;
 }
 
@@ -217,12 +217,12 @@
 +  return false;
 }
 
- #if BUILDFLAG(IS_CHROMEOS)
+ bool AppMenuModel::AddHeliumSchemaItem() {
 --- a/chrome/browser/ui/toolbar/app_menu_model.h
 +++ b/chrome/browser/ui/toolbar/app_menu_model.h
-@@ -281,6 +281,9 @@ class AppMenuModel : public ui::SimpleMe
-   // boolean indicating whether any menu items were added.
-   bool AddDefaultBrowserMenuItems();
+@@ -284,6 +284,9 @@ class AppMenuModel : public ui::SimpleMe
+   // Adds a nag to review Helium services permission changes
+   bool AddHeliumSchemaItem();
 
 +  // Adds a nag to relaunch the browser after an update
 +  bool AddUpgradeMenuItem();
--- a/patches/helium/ui/ublock-show-in-settings.patch
+++ b/patches/helium/ui/ublock-show-in-settings.patch
@@ -87,7 +87,7 @@
   };
 --- a/chrome/app/generated_resources.grd
 +++ b/chrome/app/generated_resources.grd
-@@ -13438,6 +13438,9 @@ Check your passwords anytime in <ph name
+@@ -13441,6 +13441,9 @@ Check your passwords anytime in <ph name
         <message name="IDS_EXTENSIONS_INSTALL_LOCATION_SHARED_MODULE" desc="The text explaining the the installation of the extension was because of extensions that depend on this shared module">
           Installed because of dependent extension(s).
         </message>
--- a/patches/series
+++ b/patches/series
@@ -118,6 +118,7 @@ helium/core/add-zen-importer.patch
 helium/core/disable-unsupported-importers.patch
 helium/core/fix-building-without-safebrowsing.patch
 helium/core/services-prefs.patch
+helium/core/services-schema-nag.patch
 helium/core/override-chrome-protocol.patch
 helium/core/onboarding-page.patch
 helium/core/change-chromium-branding.patch