Move Extension into extensions namespace

chrome/browser/extensions/extension_disabled_ui_browsertest.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 "base/file_path.h"
 #include "base/scoped_temp_dir.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/global_error.h"
 #include "chrome/browser/ui/global_error_service.h"
 #include "chrome/browser/ui/global_error_service_factory.h"
 #include "chrome/common/extensions/extension.h"
 
+using extensions::Extension;
+
 class ExtensionDisabledGlobalErrorTest : public ExtensionBrowserTest {
  protected:
   void SetUpOnMainThread() {
     EXPECT_TRUE(scoped_temp_dir_.CreateUniqueTempDir());
     service_ = browser()->profile()->GetExtensionService();
     FilePath pem_path = test_data_dir_.
         AppendASCII("permissions_increase").AppendASCII("permissions.pem");
     path_v1_ = PackExtensionWithOptions(
         test_data_dir_.AppendASCII("permissions_increase").AppendASCII("v1"),
         scoped_temp_dir_.path().AppendASCII("permissions1.crx"),
@@ skipping 124 matching lines @@
   GlobalErrorServiceFactory::GetForProfile(browser()->profile())->
       RemoveGlobalError(error);
   delete error;
   // Upgrade to version 3, with even higher permissions. Infer from
   // version 2 having higher-than-granted permissions that it was disabled
   // for permissions increase.
   extension = UpdateIncreasingPermissionExtension(extension, path_v3_, 0);
   ASSERT_TRUE(extension);
   ASSERT_TRUE(GetExtensionDisabledGlobalError());
 }