Move extension_test_message_listener to extensions.

chrome/browser/extensions/api/socket/socket_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 "base/memory/ref_counted.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_test_message_listener.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "extensions/browser/api/dns/host_resolver_wrapper.h"
 #include "extensions/browser/api/dns/mock_host_resolver_creator.h"
 #include "extensions/browser/api/socket/socket_api.h"
+#include "extensions/test/extension_test_message_listener.h"
 #include "extensions/test/result_catcher.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/test/spawned_test_server/spawned_test_server.h"
 
 using extensions::Extension;
 using extensions::ResultCatcher;
 
 namespace {
 
 const std::string kHostname = "127.0.0.1";
@@ skipping 114 matching lines @@
   ResultCatcher catcher;
   catcher.RestrictToBrowserContext(browser()->profile());
   ExtensionTestMessageListener listener("info_please", true);
   ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("socket/api")));
   EXPECT_TRUE(listener.WaitUntilSatisfied());
   listener.Reply(
       base::StringPrintf("multicast:%s:%d", kHostname.c_str(), kPort));
 
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 }