Move Extension into extensions namespace

chrome/browser/ui/cocoa/extensions/browser_actions_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 "browser_actions_controller.h"
 
 #include <cmath>
 #include <string>
 
 #include "base/sys_string_conversions.h"
@@ skipping 16 matching lines @@
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "grit/theme_resources.h"
 #include "grit/theme_resources_standard.h"
 #import "third_party/GTM/AppKit/GTMNSAnimation+Duration.h"
 #include "ui/gfx/mac/nsimage_cache.h"
 
+using extensions::Extension;
+using extensions::ExtensionList;
+
 NSString* const kBrowserActionVisibilityChangedNotification =
     @"BrowserActionVisibilityChangedNotification";
 
 namespace {
 const CGFloat kAnimationDuration = 0.2;
 
 const CGFloat kChevronWidth = 14.0;
 
 // Since the container is the maximum height of the toolbar, we have
 // to move the buttons up by this amount in order to have them look
@@ skipping 810 matching lines @@
   if (profile_->IsOffTheRecord())
     index = toolbarModel_->IncognitoIndexToOriginal(index);
   if (index < toolbarModel_->size()) {
     const Extension* extension = toolbarModel_->GetExtensionByIndex(index);
     return [buttons_ objectForKey:base::SysUTF8ToNSString(extension->id())];
   }
   return nil;
 }
 
 @end