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

chrome/browser/chromeos/policy/android_management_client_unittest.cc

 // Copyright (c) 2016 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>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
+#include "base/message_loop/message_loop.h"
 #include "base/time/time.h"
 #include "chrome/browser/chromeos/policy/android_management_client.h"
 #include "components/policy/core/common/cloud/mock_device_management_service.h"
 #include "components/signin/core/browser/fake_profile_oauth2_token_service.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_test_util.h"
 #include "policy/proto/device_management_backend.pb.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 78 matching lines @@
                  base::Unretained(&callback_observer_));
 
   token_service_.UpdateCredentials(kAccountId, kRefreshToken);
   client_->StartCheckAndroidManagement(callback);
   token_service_.IssueAllTokensForAccount(kAccountId, kOAuthToken,
                                           base::Time::Max());
   ASSERT_LT(client_id.size(), 64U);
 }
 
 }  // namespace policy