Move extension_test_message_listener to extensions.

chrome/browser/extensions/api/hotword_private/hotword_private_apitest.cc

 // 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.
 
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/extensions/api/hotword_private/hotword_private_api.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/profiles/profile.h"
 #include "chrome/browser/search/hotword_client.h"
 #include "chrome/browser/search/hotword_service.h"
 #include "chrome/browser/search/hotword_service_factory.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "extensions/common/switches.h"
+#include "extensions/test/extension_test_message_listener.h"
 
 namespace {
 
 const char kHotwordTestExtensionId[] = "cpfhkdbjfdgdebcjlifoldbijinjfifp";
 
 class MockHotwordService : public HotwordService {
  public:
   explicit MockHotwordService(Profile* profile)
       : HotwordService(profile), service_available_(true) {};
   virtual ~MockHotwordService() {}
@@ skipping 206 matching lines @@
   MockHotwordClient client;
   service()->RequestHotwordSession(&client);
   EXPECT_TRUE(listenerStopReady.WaitUntilSatisfied());
   service()->StopHotwordSession(&client);
   EXPECT_TRUE(listenerStopped.WaitUntilSatisfied());
 
   EXPECT_TRUE(client.last_enabled());
   EXPECT_EQ(1, client.state_changed_count());
   EXPECT_EQ(1, client.recognized_count());
 }