Remove deprecated extension notification from theme_service

chrome/browser/themes/theme_service.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_THEMES_THEME_SERVICE_H_
 #define CHROME_BROWSER_THEMES_THEME_SERVICE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 74 matching lines @@
   base::RefCountedMemory* GetRawData(int id, ui::ScaleFactor scale_factor)
       const override;
 #if defined(OS_MACOSX)
   NSImage* GetNSImageNamed(int id) const override;
   NSColor* GetNSImageColorNamed(int id) const override;
   NSColor* GetNSColor(int id) const override;
   NSColor* GetNSColorTint(int id) const override;
   NSGradient* GetNSGradient(int id) const override;
 #endif
 
+  // KeyedService:
+  void Shutdown() override;
+
   // Overridden from content::NotificationObserver:
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   // Set the current theme to the theme defined in |extension|.
   // |extension| must already be added to this profile's
   // ExtensionService.
   virtual void SetTheme(const extensions::Extension* extension);
 
@@ skipping 136 matching lines @@
   // recently installed theme extensions
   std::string installed_pending_load_id_;
 
   // The number of infobars currently displayed.
   int number_of_infobars_;
 
   content::NotificationRegistrar registrar_;
 
   scoped_ptr<ThemeSyncableService> theme_syncable_service_;
 
+#if defined(ENABLE_EXTENSIONS)
+  class ThemeObserver;
+  scoped_ptr<ThemeObserver> theme_observer_;
+#endif
+
   base::WeakPtrFactory<ThemeService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ThemeService);
 };
 
 #endif  // CHROME_BROWSER_THEMES_THEME_SERVICE_H_