Move Extension into extensions namespace

chrome/browser/ui/extensions/shell_window.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_UI_EXTENSIONS_SHELL_WINDOW_H_
 #define CHROME_BROWSER_UI_EXTENSIONS_SHELL_WINDOW_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/ui/base_window.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 
-class Extension;
 class ExtensionWindowController;
 class GURL;
 class Profile;
 
 namespace content {
 class WebContents;
 }
 
+namespace extensions {
+class Extension;
+}
+
 // ShellWindow is the type of window used by platform apps. Shell windows
 // have a WebContents but none of the chrome of normal browser windows.
 class ShellWindow : public content::NotificationObserver,
                     public content::WebContentsDelegate,
                     public content::WebContentsObserver,
                     public ExtensionFunctionDispatcher::Delegate,
                     public BaseWindow {
  public:
   static ShellWindow* Create(Profile* profile,
-                             const Extension* extension,
+                             const extensions::Extension* extension,
                              const GURL& url);
 
   const SessionID& session_id() const { return session_id_; }
   const ExtensionWindowController* extension_window_controller() const {
     return extension_window_controller_.get();
   }
 
  protected:
   // TODO(mihaip): Switch from hardcoded defaults to passing in the window
   // creation parameters to ShellWindow::Create.
   static const int kDefaultWidth = 512;
   static const int kDefaultHeight = 384;
 
   ShellWindow(Profile* profile,
-              const Extension* extension,
+              const extensions::Extension* extension,
               const GURL& url);
   virtual ~ShellWindow();
 
-  const Extension* extension() const { return extension_; }
+  const extensions::Extension* extension() const { return extension_; }
   content::WebContents* web_contents() const { return web_contents_.get(); }
 
  private:
   // PlatformAppBrowserTest needs access to web_contents()
   friend class PlatformAppBrowserTest;
 
   // Instantiates a platform-specific ShellWindow subclass (one implementation
   // per platform). Public users of ShellWindow should use ShellWindow::Create.
   static ShellWindow* CreateImpl(Profile* profile,
-                                 const Extension* extension,
+                                 const extensions::Extension* extension,
                                  const GURL& url);
 
   // content::WebContentsObserver
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // content::WebContentsDelegate
   virtual void CloseContents(content::WebContents* contents) OVERRIDE;
   virtual bool ShouldSuppressDialogs() OVERRIDE;
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   virtual ExtensionWindowController* GetExtensionWindowController() const
       OVERRIDE;
 
   // Message handlers.
   void OnRequest(const ExtensionHostMsg_Request_Params& params);
 
   Profile* profile_;  // weak pointer - owned by ProfileManager.
-  const Extension* extension_;  // weak pointer - owned by ExtensionService.
+  // weak pointer - owned by ExtensionService.
+  const extensions::Extension* extension_;
 
   const SessionID session_id_;
   scoped_ptr<content::WebContents> web_contents_;
   content::NotificationRegistrar registrar_;
   scoped_ptr<ExtensionWindowController> extension_window_controller_;
   ExtensionFunctionDispatcher extension_function_dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellWindow);
 };
 
 #endif  // CHROME_BROWSER_UI_EXTENSIONS_SHELL_WINDOW_H_