Move Extension into extensions namespace

chrome/browser/ui/gtk/browser_window_gtk.cc

 // 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.
 
 #include "chrome/browser/ui/gtk/browser_window_gtk.h"
 
 #include <dlfcn.h>
 #include <gdk/gdkkeysyms.h>
 
 #include <algorithm>
@@ skipping 1206 matching lines @@
   else
     gtk_window_activate_key(window_, os_event);
 }
 
 void BrowserWindowGtk::ShowCreateWebAppShortcutsDialog(
     TabContentsWrapper* tab_contents) {
   CreateWebApplicationShortcutsDialogGtk::Show(window_, tab_contents);
 }
 
 void BrowserWindowGtk::ShowCreateChromeAppShortcutsDialog(
-    Profile* profile, const Extension* app) {
+    Profile* profile, const extensions::Extension* app) {
   CreateChromeApplicationShortcutsDialogGtk::Show(window_, profile, app);
 }
 
 void BrowserWindowGtk::Cut() {
   gtk_util::DoCut(this);
 }
 
 void BrowserWindowGtk::Copy() {
   gtk_util::DoCopy(this);
 }
@@ skipping 1348 matching lines @@
           wm_type == ui::WM_OPENBOX ||
           wm_type == ui::WM_XFWM4);
 }
 
 // static
 BrowserWindow* BrowserWindow::CreateBrowserWindow(Browser* browser) {
   BrowserWindowGtk* browser_window_gtk = new BrowserWindowGtk(browser);
   browser_window_gtk->Init();
   return browser_window_gtk;
 }