Move Extension into extensions namespace

chrome/browser/ui/gtk/create_application_shortcuts_dialog_gtk.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_GTK_CREATE_APPLICATION_SHORTCUTS_DIALOG_GTK_H_
 #define CHROME_BROWSER_UI_GTK_CREATE_APPLICATION_SHORTCUTS_DIALOG_GTK_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop_helpers.h"
 #include "chrome/browser/extensions/image_loading_tracker.h"
 #include "chrome/browser/shell_integration.h"
 #include "content/public/browser/browser_thread.h"
 #include "googleurl/src/gurl.h"
 #include "ui/base/gtk/gtk_signal.h"
 
 using content::BrowserThread;
 
 typedef struct _GdkPixbuf GdkPixbuf;
 typedef struct _GtkWidget GtkWidget;
 typedef struct _GtkWindow GtkWindow;
 
-class Extension;
 class Profile;
 class TabContentsWrapper;
 
+namespace extensions{
+class Extension;
+}
+
 class CreateApplicationShortcutsDialogGtk
     : public base::RefCountedThreadSafe<CreateApplicationShortcutsDialogGtk,
                                         BrowserThread::DeleteOnUIThread> {
  protected:
   explicit CreateApplicationShortcutsDialogGtk(GtkWindow* parent);
   virtual ~CreateApplicationShortcutsDialogGtk();
 
   CHROMEGTK_CALLBACK_1(CreateApplicationShortcutsDialogGtk, void,
                        OnCreateDialogResponse, int);
 
@@ skipping 56 matching lines @@
   TabContentsWrapper* tab_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(CreateWebApplicationShortcutsDialogGtk);
 };
 
 class CreateChromeApplicationShortcutsDialogGtk
   : public CreateApplicationShortcutsDialogGtk,
     public ImageLoadingTracker::Observer {
  public:
   // Displays the dialog box to create application shortcuts for |app|.
-  static void Show(GtkWindow* parent, Profile* profile, const Extension* app);
+  static void Show(GtkWindow* parent, Profile* profile,
+                   const extensions::Extension* app);
 
   CreateChromeApplicationShortcutsDialogGtk(GtkWindow* parent,
                                             Profile* profile,
-                                            const Extension* app);
+                                            const extensions::Extension* app);
   virtual ~CreateChromeApplicationShortcutsDialogGtk() {}
 
   // Implement ImageLoadingTracker::Observer.  |tracker_| is used to
   // load the app's icon.  This method recieves the icon, and adds
   // it to the "Create Shortcut" dailog box.
   virtual void OnImageLoaded(const gfx::Image& image,
                              const std::string& extension_id,
                              int index) OVERRIDE;
 
  protected:
   virtual void CreateDesktopShortcut(
       const ShellIntegration::ShortcutInfo& shortcut_info) OVERRIDE;
 
  private:
-  const Extension* app_;
+  const extensions::Extension* app_;
   FilePath profile_path_;
   ImageLoadingTracker tracker_;
   DISALLOW_COPY_AND_ASSIGN(CreateChromeApplicationShortcutsDialogGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_CREATE_APPLICATION_SHORTCUTS_DIALOG_GTK_H_