Move extension_test_message_listener to extensions.

chrome/browser/extensions/api/push_messaging/push_messaging_apitest.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 "chrome/browser/extensions/api/push_messaging/push_messaging_api.h"
 
 #include "apps/launcher.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/api/push_messaging/push_messaging_invalidation_handler.h"
 #include "chrome/browser/extensions/api/push_messaging/push_messaging_invalidation_mapper.h"
 #include "chrome/browser/extensions/extension_apitest.h"
-#include "chrome/browser/extensions/extension_test_message_listener.h"
 #include "chrome/browser/invalidation/fake_invalidation_service.h"
 #include "chrome/browser/invalidation/profile_invalidation_provider_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "components/invalidation/fake_invalidator.h"
 #include "components/invalidation/invalidation.h"
 #include "components/invalidation/invalidation_service.h"
 #include "components/invalidation/profile_invalidation_provider.h"
 #include "components/keyed_service/core/keyed_service.h"
+#include "extensions/test/extension_test_message_listener.h"
 #include "extensions/test/result_catcher.h"
 #include "google/cacheinvalidation/types.pb.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 using ::testing::SaveArg;
 using ::testing::StrictMock;
 using ::testing::_;
 
 namespace content {
 class BrowserContext;
@@ skipping 168 matching lines @@
   const extensions::Extension* extension =
       LoadExtension(test_data_dir_.AppendASCII("push_messaging"));
   ASSERT_TRUE(extension);
   ui_test_utils::NavigateToURL(
       browser(), extension->GetResourceURL("get_channel_id.html"));
 
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 }
 
 }  // namespace extensions