Move Extension into extensions namespace

chrome/browser/ui/views/ash/launcher/chrome_launcher_controller_unittest.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 "ash/launcher/launcher_model.h"
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/test_extension_system.h"
 #include "chrome/browser/ui/views/ash/launcher/chrome_launcher_controller.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_pref_service.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/test/test_browser_thread.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using extensions::Extension;
+
 class ChromeLauncherControllerTest : public testing::Test {
  protected:
   ChromeLauncherControllerTest()
       : ui_thread_(content::BrowserThread::UI, &loop_),
         extension_service_(NULL) {
     DictionaryValue manifest;
     manifest.SetString("name", "launcher controller test extension");
     manifest.SetString("version", "1");
     manifest.SetString("description", "for testing pinned apps");
 
@@ skipping 114 matching lines @@
 
   EXPECT_TRUE(launcher_controller.IsAppPinned(extension3_->id()));
   EXPECT_TRUE(launcher_controller.IsAppPinned(extension4_->id()));
 
   extension_service_->UnloadExtension(extension3_->id(),
                                       extension_misc::UNLOAD_REASON_UNINSTALL);
 
   EXPECT_FALSE(launcher_controller.IsAppPinned(extension3_->id()));
   EXPECT_TRUE(launcher_controller.IsAppPinned(extension4_->id()));
 }