Moved the AppNotification system into extensions namespace

chrome/browser/extensions/app_notification_manager.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_EXTENSIONS_APP_NOTIFICATION_MANAGER_H_
 #define CHROME_BROWSER_EXTENSIONS_APP_NOTIFICATION_MANAGER_H_
 
 #include <map>
 
 #include "base/compiler_specific.h"
@@ skipping 11 matching lines @@
 #include "sync/api/sync_change.h"
 #include "sync/api/syncable_service.h"
 
 class PerfTimer;
 class Profile;
 
 namespace syncer {
 class SyncErrorFactory;
 }
 
+namespace extensions {
+
 // This class keeps track of notifications for installed apps.
 class AppNotificationManager
     : public base::RefCountedThreadSafe<
           AppNotificationManager,
           content::BrowserThread::DeleteOnUIThread>,
       public content::NotificationObserver,
       public syncer::SyncableService {
  public:
   static const unsigned int kMaxNotificationPerApp;
   explicit AppNotificationManager(Profile* profile);
@@ skipping 131 matching lines @@
   bool models_associated_;
   // Whether syncer changes are being processed right now.
   bool processing_syncer_changes_;
 
   // Used for a histogram of load time.
   scoped_ptr<PerfTimer> load_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(AppNotificationManager);
 };
 
+}  // namespace extensions
+
 #endif  // CHROME_BROWSER_EXTENSIONS_APP_NOTIFICATION_MANAGER_H_