Remove MessageLoop::current()->RunUntilIdle() in components.

components/data_usage/core/data_use_aggregator_unittest.cc

 // Copyright 2015 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 "components/data_usage/core/data_use_aggregator.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
 #include "base/time/time.h"
 #include "components/data_usage/core/data_use.h"
 #include "components/data_usage/core/data_use_amortizer.h"
 #include "components/data_usage/core/data_use_annotator.h"
 #include "net/base/load_timing_info.h"
 #include "net/base/network_change_notifier.h"
 #include "net/base/network_delegate_impl.h"
 #include "net/socket/socket_test_util.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_test_util.h"
@@ skipping 386 matching lines @@
               observed_bar_rx_bytes);
   }
 }
 
 TEST_F(DataUseAggregatorTest, ReportOffTheRecordDataUse) {
   Initialize(std::unique_ptr<FakeDataUseAnnotator>(new FakeDataUseAnnotator()),
              std::unique_ptr<DataUseAmortizer>(new DoublingAmortizer()));
 
   // Off the record data use should not be reported to observers.
   data_use_aggregator()->ReportOffTheRecordDataUse(1000, 1000);
-  base::MessageLoop::current()->RunUntilIdle();
+  base::RunLoop().RunUntilIdle();
   EXPECT_EQ(static_cast<size_t>(0),
             test_observer()->observed_data_use().size());
 }
 
 }  // namespace
 
 }  // namespace data_usage