Move extension_test_message_listener to extensions.

chrome/browser/extensions/api/sockets_tcp_server/sockets_tcp_server_apitest.cc

 // Copyright 2013 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/path_service.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_function_test_utils.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/browser/ui/extensions/application_launch.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/sockets_tcp_server/sockets_tcp_server_api.h"
 #include "extensions/common/test_util.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::core_api::SocketsTcpServerCreateFunction;
 
 namespace utils = extension_function_test_utils;
 
 namespace {
@@ skipping 74 matching lines @@
   extensions::ResultCatcher catcher;
   const Extension* extension = LoadExtension(path);
   ASSERT_TRUE(extension);
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 
   UnloadExtension(extension->id());
 
   ASSERT_TRUE(LoadExtension(path)) << message_;
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 }