Move Extension into extensions namespace

chrome/browser/ui/cocoa/extensions/extension_installed_bubble_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/extensions/extension_installed_bubble_controller.h"
 
 #include "base/i18n/rtl.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
 #include "base/sys_string_conversions.h"
@@ skipping 15 matching lines @@
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_source.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #import "skia/ext/skia_utils_mac.h"
 #import "third_party/GTM/AppKit/GTMUILocalizerAndLayoutTweaker.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using content::BrowserThread;
 using extensions::BundleInstaller;
+using extensions::Extension;
 
 // C++ class that receives EXTENSION_LOADED notifications and proxies them back
 // to |controller|.
 class ExtensionLoadedNotificationObserver
     : public content::NotificationObserver {
  public:
   ExtensionLoadedNotificationObserver(
       ExtensionInstalledBubbleController* controller, Profile* profile)
           : controller_(controller) {
     registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED,
@@ skipping 403 matching lines @@
 
 - (NSRect)getExtensionInstalledInfoMsgFrame {
   return [extensionInstalledInfoMsg_ frame];
 }
 
 - (void)extensionUnloaded:(id)sender {
   extension_ = NULL;
 }
 
 @end