Remove deprecated extension notification from themeservice.

chrome/browser/themes/theme_service.h

Index: chrome/browser/themes/theme_service.h
diff --git a/chrome/browser/themes/theme_service.h b/chrome/browser/themes/theme_service.h
index f13e5c1cd8e21f879869a177985db56dcc9e1897..c5f3763218001443c51464f75615d79fbb6d970e 100644
--- a/chrome/browser/themes/theme_service.h
+++ b/chrome/browser/themes/theme_service.h
@@ -18,6 +18,7 @@
 #include "components/keyed_service/core/keyed_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
+#include "extensions/browser/extension_registry_observer.h"
 #include "ui/base/theme_provider.h"
 
 class CustomThemeSupplier;
@@ -35,6 +36,7 @@ struct HSL;
 
 namespace extensions {
 class Extension;
+class ExtensionRegistry;
 }
 
 namespace gfx {
@@ -58,6 +60,7 @@ extern "C" NSString* const kBrowserThemeDidChangeNotification;
 
 class ThemeService : public base::NonThreadSafe,
                      public content::NotificationObserver,
+                     public extensions::ExtensionRegistryObserver,
                      public KeyedService,
                      public ui::ThemeProvider {
  public:
@@ -75,7 +78,7 @@ class ThemeService : public base::NonThreadSafe,
   // theme properties out of the theme provider since it's cross platform.
   virtual gfx::Image GetImageNamed(int id) const;
 
-  // Overridden from ui::ThemeProvider:
+  // ui::ThemeProvider:
   virtual bool UsingSystemTheme() const OVERRIDE;
   virtual gfx::ImageSkia* GetImageSkiaNamed(int id) const OVERRIDE;
   virtual SkColor GetColor(int id) const OVERRIDE;
@@ -93,11 +96,29 @@ class ThemeService : public base::NonThreadSafe,
   virtual NSGradient* GetNSGradient(int id) const OVERRIDE;
 #endif
 
-  // Overridden from content::NotificationObserver:
+  // content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
+  // extensions::ExtensionRegistryObserver:
+  virtual void OnExtensionLoaded(
+      content::BrowserContext* browser_context,
+      const extensions::Extension* extension) OVERRIDE;
+  virtual void OnExtensionUnloaded(
+      content::BrowserContext* browser_context,
+      const extensions::Extension* extension,
+      extensions::UnloadedExtensionInfo::Reason reason) OVERRIDE;
+  virtual void OnExtensionWillBeInstalled(
+      content::BrowserContext* browser_context,
+      const extensions::Extension* extension,
+      bool is_update,
+      bool from_ephemeral,
+      const std::string& old_name) OVERRIDE;
+
+  // KeyedService.

[Bernhard Bauer, 2014/10/15 13:21:04]

Nit: add a colon at the end like the other comments do.

[Jitu( very slow this week), 2014/10/15 14:19:06]

Done.

+  virtual void Shutdown() OVERRIDE;
+
   // Set the current theme to the theme defined in |extension|.
   // |extension| must already be added to this profile's
   // ExtensionService.
@@ -245,6 +266,8 @@ class ThemeService : public base::NonThreadSafe,
 
   content::NotificationRegistrar registrar_;
 
+  extensions::ExtensionRegistry* extension_registry_;
+
   scoped_ptr<ThemeSyncableService> theme_syncable_service_;
 
   base::WeakPtrFactory<ThemeService> weak_ptr_factory_;