Move Extension into extensions namespace

chrome/browser/content_settings/content_settings_platform_app_provider.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_CONTENT_SETTINGS_CONTENT_SETTINGS_PLATFORM_APP_PROVIDER_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_PLATFORM_APP_PROVIDER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "chrome/browser/content_settings/content_settings_observable_provider.h"
 #include "chrome/browser/content_settings/content_settings_origin_identifier_value_map.h"
 #include "chrome/common/content_settings.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
+class ExtensionService;
+
+namespace extensions {
 class Extension;
-class ExtensionService;
+}
 
 namespace content_settings {
 
 // A content settings provider which disables certain plugins for platform apps.
 class PlatformAppProvider : public ObservableProvider,
                             public content::NotificationObserver {
  public:
   explicit PlatformAppProvider(ExtensionService* extension_service);
 
   virtual ~PlatformAppProvider();
@@ skipping 14 matching lines @@
   virtual void ClearAllContentSettingsRules(ContentSettingsType content_type)
       OVERRIDE;
 
   virtual void ShutdownOnUIThread() OVERRIDE;
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
  private:
-  void SetContentSettingForExtension(const Extension* extension,
+  void SetContentSettingForExtension(const extensions::Extension* extension,
                                      ContentSetting setting);
 
   OriginIdentifierValueMap value_map_;
 
   // Used around accesses to the |value_map_| list to guarantee thread safety.
   mutable base::Lock lock_;
   scoped_ptr<content::NotificationRegistrar> registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformAppProvider);
 };
 
 }  // namespace content_settings
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_PLATFORM_APP_PROVIDER_H_