Move Extension into extensions namespace

chrome/browser/extensions/permissions_updater.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_PERMISSIONS_UPDATER_H__
 #define CHROME_BROWSER_EXTENSIONS_PERMISSIONS_UPDATER_H__
 #pragma once
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 
+class ExtensionPermissionSet;
+class ExtensionPrefs;
+class Profile;
+
 namespace base {
 class DictionaryValue;
 }
-class Extension;
-class ExtensionPermissionSet;
-class ExtensionPrefs;
-class Profile;
 
 namespace extensions {
 
+class Extension;
+
 // Updates an Extension's active and granted permissions in persistent storage
 // and notifies interested parties of the changes.
 class PermissionsUpdater {
  public:
   explicit PermissionsUpdater(Profile* profile);
   ~PermissionsUpdater();
 
   // Adds the set of |permissions| to the |extension|'s active permission set
   // and sends the relevant messages and notifications. This method assumes the
   // user has already been prompted, if necessary, for the extra permissions.
@@ skipping 35 matching lines @@
 
   // Gets the ExtensionPrefs for the associated profile.
   ExtensionPrefs* GetExtensionPrefs();
 
   Profile* profile_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_PERMISSIONS_UPDATER_H__