Move Extension into extensions namespace

chrome/browser/ui/gtk/extensions/extension_installed_bubble_gtk.h

 // Copyright (c) 2011 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_GTK_EXTENSIONS_EXTENSION_INSTALLED_BUBBLE_GTK_H_
 #define CHROME_BROWSER_UI_GTK_EXTENSIONS_EXTENSION_INSTALLED_BUBBLE_GTK_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/gtk/bubble/bubble_gtk.h"
 #include "chrome/browser/ui/gtk/custom_button.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 class Browser;
+class SkBitmap;
+
+namespace extensions {
 class Extension;
-class SkBitmap;
+}
 
 // Provides feedback to the user upon successful installation of an
 // extension. Depending on the type of extension, the BubbleGtk will
 // point to:
 //    OMNIBOX_KEYWORD-> The omnibox.
 //    BROWSER_ACTION -> The browserAction icon in the toolbar.
 //    PAGE_ACTION    -> A preview of the page action icon in the location
 //                      bar which is shown while the BubbleGtk is shown.
 //    GENERIC        -> The wrench menu. This case includes page actions that
 //                      don't specify a default icon.
 //
 // ExtensionInstallBubble manages its own lifetime.
 class ExtensionInstalledBubbleGtk
     : public BubbleDelegateGtk,
       public content::NotificationObserver,
       public base::RefCountedThreadSafe<ExtensionInstalledBubbleGtk> {
  public:
   // The behavior and content of this BubbleGtk comes in three varieties.
   enum BubbleType {
     OMNIBOX_KEYWORD,
     BROWSER_ACTION,
     PAGE_ACTION,
     GENERIC
   };
 
   // Creates the ExtensionInstalledBubble and schedules it to be shown once
   // the extension has loaded. |extension| is the installed extension. |browser|
   // is the browser window which will host the bubble. |icon| is the install
   // icon of the extension.
-  static void Show(
-      const Extension* extension, Browser *browser, const SkBitmap& icon);
+  static void Show(const extensions::Extension* extension,
+                   Browser *browser,
+                   const SkBitmap& icon);
 
  private:
   friend class base::RefCountedThreadSafe<ExtensionInstalledBubbleGtk>;
 
   // Private ctor. Registers a listener for EXTENSION_LOADED.
-  ExtensionInstalledBubbleGtk(const Extension* extension, Browser *browser,
+  ExtensionInstalledBubbleGtk(const extensions::Extension* extension,
+                              Browser *browser,
                               const SkBitmap& icon);
 
   virtual ~ExtensionInstalledBubbleGtk();
 
   // Shows the bubble. Called internally via PostTask.
   void ShowInternal();
 
   // content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // BubbleDelegateGtk:
   virtual void BubbleClosing(BubbleGtk* bubble, bool closed_by_escape) OVERRIDE;
 
   // Calls Release() internally. Called internally via PostTask.
   void Close();
 
   static void OnButtonClick(GtkWidget* button,
                             ExtensionInstalledBubbleGtk* toolbar);
 
-  const Extension* extension_;
+  const extensions::Extension* extension_;
   Browser* browser_;
   SkBitmap icon_;
   content::NotificationRegistrar registrar_;
   BubbleType type_;
 
   // The number of times to retry showing the bubble if the browser action
   // toolbar is animating.
   int animation_wait_retries_;
 
   // The 'x' that the user can press to hide the bubble shelf.
   scoped_ptr<CustomDrawButton> close_button_;
 
   BubbleGtk* bubble_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionInstalledBubbleGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_EXTENSIONS_EXTENSION_INSTALLED_BUBBLE_GTK_H_