Move extension_test_message_listener to extensions.

apps/app_shim/app_shim_interactive_uitest_mac.mm

 // Copyright 2014 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.
 
 #import <Cocoa/Cocoa.h>
 #include <vector>
 
 #include "apps/app_shim/app_shim_handler_mac.h"
 #include "apps/app_shim/app_shim_host_manager_mac.h"
 #include "apps/app_shim/extension_app_shim_handler_mac.h"
 #include "apps/switches.h"
 #include "base/auto_reset.h"
 #include "base/callback.h"
 #include "base/files/file_path_watcher.h"
 #include "base/mac/foundation_util.h"
 #include "base/mac/launch_services_util.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/path_service.h"
 #include "base/process/launch.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/test/test_timeouts.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/extensions/extension_test_message_listener.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/web_applications/web_app_mac.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/mac/app_mode_common.h"
 #include "content/public/test/test_utils.h"
 #include "extensions/browser/app_window/native_app_window.h"
 #include "extensions/browser/extension_registry.h"
+#include "extensions/test/extension_test_message_listener.h"
 #import "ui/events/test/cocoa_test_event_utils.h"
 
 namespace {
 
 // General end-to-end test for app shims.
 class AppShimInteractiveTest : public extensions::PlatformAppBrowserTest {
  protected:
   AppShimInteractiveTest()
       : auto_reset_(&g_app_shims_allow_update_and_launch_in_tests, true) {}
 
@@ skipping 346 matching lines @@
   // the shim is rebuilt.
   WindowedAppShimLaunchObserver(app->id()).Wait();
 
   EXPECT_TRUE(GetFirstAppWindow());
   EXPECT_TRUE(HasAppShimHost(profile(), app->id()));
 }
 
 #endif  // defined(ARCH_CPU_64_BITS)
 
 }  // namespace apps