Moved the AppNotification system into extensions namespace

chrome/browser/extensions/app_notify_channel_ui_impl.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_NOTIFY_CHANNEL_UI_IMPL_H_
 #define CHROME_BROWSER_EXTENSIONS_APP_NOTIFY_CHANNEL_UI_IMPL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/extensions/app_notify_channel_ui.h"
 #include "chrome/browser/sync/profile_sync_service_observer.h"
 
 class Profile;
 class TabContents;
 
+namespace extensions {
+
 class AppNotifyChannelUIImpl : public AppNotifyChannelUI,
                                public ProfileSyncServiceObserver {
  public:
   AppNotifyChannelUIImpl(Profile* profile,
                          TabContents* tab_contents,
                          const std::string& app_name,
                          AppNotifyChannelUI::UIType ui_type);
   virtual ~AppNotifyChannelUIImpl();
 
   // AppNotifyChannelUI.
@@ skipping 28 matching lines @@
   // ProfileSyncServiceObserver::OnStateChanged callback many times
   // after ShowLoginDialog is called and before the wizard is
   // actually visible to the user. So we record if the wizard was
   // shown to user and then wait for wizard to get dismissed.
   // See crbug.com/101842.
   bool wizard_shown_to_user_;
 
   DISALLOW_COPY_AND_ASSIGN(AppNotifyChannelUIImpl);
 };
 
+}  // namespace extensions
+
 #endif  // CHROME_BROWSER_EXTENSIONS_APP_NOTIFY_CHANNEL_UI_IMPL_H_