Move extension_test_message_listener to extensions.

extensions/browser/api/bluetooth/bluetooth_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 <string.h>
 
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.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/test/base/ui_test_utils.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_uuid.h"
 #include "device/bluetooth/test/mock_bluetooth_adapter.h"
 #include "device/bluetooth/test/mock_bluetooth_device.h"
 #include "device/bluetooth/test/mock_bluetooth_discovery_session.h"
 #include "extensions/browser/api/bluetooth/bluetooth_api.h"
 #include "extensions/browser/api/bluetooth/bluetooth_event_router.h"
 #include "extensions/common/test_util.h"
+#include "extensions/test/extension_test_message_listener.h"
 #include "extensions/test/result_catcher.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 using device::BluetoothAdapter;
 using device::BluetoothDevice;
 using device::BluetoothDiscoverySession;
 using device::BluetoothUUID;
 using device::MockBluetoothAdapter;
 using device::MockBluetoothDevice;
 using device::MockBluetoothDiscoverySession;
@@ skipping 420 matching lines @@
   // Load and wait for setup
   ExtensionTestMessageListener listener("ready", true);
   ASSERT_TRUE(
       LoadExtension(test_data_dir_.AppendASCII("bluetooth/device_info")));
   EXPECT_TRUE(listener.WaitUntilSatisfied());
 
   listener.Reply("go");
 
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 }