helium/ui: fix avatar button bg colors in toolbar

normal state no longer has a background and guest state is way more bearable now

patches/helium/ui/toolbar-avatar-button.patch

@@ -0,0 +1,30 @@
+--- a/chrome/browser/ui/views/profiles/avatar_toolbar_button_delegate.cc
++++ b/chrome/browser/ui/views/profiles/avatar_toolbar_button_delegate.cc
+@@ -1753,7 +1753,7 @@ AvatarToolbarButtonDelegate::GetTextAndC
+       break;
+     }
+     case ButtonState::kNormal:
+-      color = color_provider->GetColor(kColorAvatarButtonHighlightNormal);
++      color = std::nullopt;
+       break;
+ #if BUILDFLAG(ENABLE_DICE_SUPPORT)
+     case ButtonState::kHistorySyncOptin: {
+@@ -1989,7 +1989,6 @@ ui::ImageModel AvatarToolbarButtonDelega
+ bool AvatarToolbarButtonDelegate::ShouldPaintBorder() const {
+   switch (state_manager_->GetButtonActiveState()) {
+     case ButtonState::kGuestSession:
+-      return true;
+     case ButtonState::kShowIdentityName:
+     case ButtonState::kNormal:
+ #if BUILDFLAG(ENABLE_DICE_SUPPORT)
+--- a/chrome/browser/profiles/profile_avatar_icon_util.cc
++++ b/chrome/browser/profiles/profile_avatar_icon_util.cc
+@@ -436,7 +436,7 @@ ui::ImageModel GetGuestAvatar(int size)
+   if (base::FeatureList::IsEnabled(switches::kEnableImprovedGuestProfileMenu)) {
+     // Guest profiles generally use the default theme, no need to go through the
+     // `ThemeService`.
+-    color_id = ui::kColorSysPrimary;
++    color_id = ui::kColorMenuIcon;
+     vector_icon = &kAccountBoxIcon;
+   }
+   return ui::ImageModel::FromVectorIcon(*vector_icon, color_id, size);

patches/series

@@ -206,3 +206,4 @@ helium/ui/fix-omnibox-tabs-icon.patch
 helium/ui/smaller-window-grab-handle.patch
 helium/ui/fix-pwa-toolbar.patch
 helium/ui/top-container.patch
+helium/ui/toolbar-avatar-button.patch