Remove calls to MessageLoop::current() in base.

chrome/browser/printing/cloud_print/privet_notifications_unittest.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 "chrome/browser/printing/cloud_print/privet_notifications.h"
 
 #include <memory>
 
 #include "base/memory/ptr_util.h"
+#include "base/message_loop/message_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/printing/cloud_print/privet_http_asynchronous_factory.h"
 #include "chrome/browser/printing/cloud_print/privet_http_impl.h"
 #include "net/url_request/test_url_fetcher_factory.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using testing::StrictMock;
 
@@ skipping 155 matching lines @@
 }
 
 TEST_F(PrivetNotificationsListenerTest, DictionaryErrorTest) {
   notification_listener_->DeviceChanged(kExampleDeviceName, description_);
   SuccessfulResponseToInfo(kInfoResponseNoUptime);
 }
 
 }  // namespace
 
 }  // namespace cloud_print