Move Extension into extensions namespace

chrome/browser/intents/web_intents_registry_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 "base/bind.h"
 #include "base/file_util.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/scoped_temp_dir.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/test_extension_service.h"
 #include "chrome/browser/intents/default_web_intent_service.h"
 #include "chrome/browser/intents/web_intents_registry.h"
 #include "chrome/browser/webdata/web_data_service.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension_set.h"
 #include "content/test/test_browser_thread.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using content::BrowserThread;
+using extensions::Extension;
 using webkit_glue::WebIntentServiceData;
 
 class MockExtensionService: public TestExtensionService {
  public:
   virtual ~MockExtensionService() {}
   MOCK_CONST_METHOD0(extensions, const ExtensionSet*());
   MOCK_CONST_METHOD2(GetExtensionById,
                      const Extension*(const std::string&, bool));
 };
 
@@ skipping 601 matching lines @@
   TestConsumer consumer;
   registry_.GetIntentServices(ASCIIToUTF16("http://webintents.org/share"),
                               ASCIIToUTF16("image/*"),
                               base::Bind(&TestConsumer::OnIntentsQueryDone,
                                          base::Unretained(&consumer)));
 
   consumer.WaitForData();
   ASSERT_EQ(1U, consumer.services_.size());
   EXPECT_EQ(ASCIIToUTF16("image/png,image/jpg"), consumer.services_[0].type);
 }