dark_mode: Add kProminentIconButton.

See https://docs.google.com/document/d/1DFKZsXCU4GySB9Ry8Bhd8k8sB7pO5wOz0GBcFmAq5B4/edit#heading=h.ekjb61oacmwf
for the colors of kProminentIconButton.

Bug: 982950
Change-Id: I921c053c2fcd5c6a30dcf26acc995ce060a90e67
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1775499Reviewed-by: Ahmed Fakhry <afakhry@chromium.org>
Commit-Queue: Min Chen <minch@chromium.org>
Cr-Commit-Position: refs/heads/master@{#692164}

ash/style/ash_color_provider.cc

@@ -232,6 +232,10 @@ SkColor AshColorProvider::GetContentLayerColorImpl(
       light_color = gfx::kGoogleRed600;
       dark_color = gfx::kGoogleRed300;
       break;
+    case ContentLayerType::kProminentIconButton:
+      light_color = gfx::kGoogleBlue600;
+      dark_color = gfx::kGoogleBlue300;
+      break;
   }
   return color_mode == AshColorMode::kLight ? light_color : dark_color;
 }

ash/style/ash_color_provider.h

@@ -70,6 +70,9 @@ class ASH_EXPORT AshColorProvider {
     kIconPrimary,
     kIconSecondary,
     kIconRed,
+    // Color for prominent icon button, e.g, "Add connection" icon button inside
+    // VPN detailed view.
+    kProminentIconButton,
   };
 
   // Attributes of ripple, includes the base color, opacity of inkdrop and

ash/style/default_color_constants.h

@@ -26,6 +26,8 @@ constexpr SkColor kUnifiedMenuButtonColor =
     SkColorSetA(gfx::kGoogleGrey200, 0x14);
 constexpr SkColor kUnifiedMenuButtonColorActive = gfx::kGoogleBlueDark600;
 
+constexpr SkColor kProminentIconButtonColor = gfx::kGoogleGreen700;
+
 //----------------------------------End----------------------------------------
 
 #endif  // ASH_STYLE_DEFAULT_COLOR_CONSTANTS_H_

ash/system/ime_menu/ime_list_view.cc

@@ -268,9 +268,12 @@ void ImeListView::AppendImeListAndProperties(
   DCHECK(ime_map_.empty());
   for (size_t i = 0; i < list.size(); i++) {
     const bool selected = current_ime_id == list[i].id;
-    views::View* ime_view =
-        new ImeListItemView(this, list[i].short_name, list[i].name, selected,
-                            gfx::kGoogleGreen700, use_unified_theme_);
+    views::View* ime_view = new ImeListItemView(
+        this, list[i].short_name, list[i].name, selected,
+        AshColorProvider::Get()->DeprecatedGetContentLayerColor(
+            AshColorProvider::ContentLayerType::kProminentIconButton,
+            kProminentIconButtonColor),
+        use_unified_theme_);
     scroll_content()->AddChildView(ime_view);
     ime_map_[ime_view] = list[i].id;
 

ash/system/locale/locale_detailed_view.cc

@@ -76,7 +76,10 @@ class LocaleItem : public ActionableView {
     if (checked_) {
       views::ImageView* checked_image = TrayPopupUtils::CreateMainImageView();
       checked_image->SetImage(gfx::CreateVectorIcon(
-          kCheckCircleIcon, kMenuIconSize, gfx::kGoogleGreen700));
+          kCheckCircleIcon, kMenuIconSize,
+          AshColorProvider::Get()->DeprecatedGetContentLayerColor(
+              AshColorProvider::ContentLayerType::kProminentIconButton,
+              kProminentIconButtonColor)));
       tri_view->AddView(TriView::Container::END, checked_image);
     }
     SetAccessibleName(display_name_view->GetText());

ash/system/network/vpn_list_view.cc

@@ -14,6 +14,7 @@
 #include "ash/session/session_controller_impl.h"
 #include "ash/shell.h"
 #include "ash/strings/grit/ash_strings.h"
+#include "ash/style/ash_color_provider.h"
 #include "ash/system/model/system_tray_model.h"
 #include "ash/system/network/network_icon.h"
 #include "ash/system/network/network_icon_animation.h"
@@ -22,7 +23,6 @@
 #include "ash/system/network/vpn_list.h"
 #include "ash/system/tray/hover_highlight_view.h"
 #include "ash/system/tray/system_menu_button.h"
-#include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_popup_utils.h"
 #include "ash/system/tray/tri_view.h"
 #include "ash/system/tray/view_click_listener.h"
@@ -122,9 +122,10 @@ class VPNListProviderEntry : public views::ButtonListener, public views::View {
     label->SetText(base::ASCIIToUTF16(name));
     tri_view->AddView(TriView::Container::CENTER, label);
 
-    const SkColor image_color = GetNativeTheme()->GetSystemColor(
-        ui::NativeTheme::kColorId_ProminentButtonColor);
-    gfx::ImageSkia icon =
+    const SkColor image_color = AshColorProvider::Get()->GetContentLayerColor(
+        AshColorProvider::ContentLayerType::kProminentIconButton,
+        AshColorProvider::AshColorMode::kDark);
+    const gfx::ImageSkia icon =
         gfx::CreateVectorIcon(kSystemMenuAddConnectionIcon, image_color);
     SystemMenuButton* add_vpn_button =
         new SystemMenuButton(this, icon, icon, button_accessible_name_id);