Migrate sync/ to base::RunLoop::RunUntilIdle()

sync/js/sync_js_controller_unittest.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 "sync/js/sync_js_controller.h"
 
-#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
 #include "base/values.h"
 #include "sync/js/js_event_details.h"
 #include "sync/js/js_test_util.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace syncer {
 namespace {
 
 using ::testing::_;
 using ::testing::InSequence;
 using ::testing::Mock;
 using ::testing::StrictMock;
 
 class SyncJsControllerTest : public testing::Test {
  protected:
   void PumpLoop() {
-    message_loop_.RunUntilIdle();
+    base::RunLoop().RunUntilIdle();
   }
 
  private:
   base::MessageLoop message_loop_;
 };
 
 TEST_F(SyncJsControllerTest, Events) {
   InSequence dummy;
   SyncJsController sync_js_controller;
 
@@ skipping 16 matching lines @@
   sync_js_controller.HandleJsEvent("anotherevent", details2);
   sync_js_controller.RemoveJsEventHandler(&event_handler1);
   sync_js_controller.RemoveJsEventHandler(&event_handler2);
   sync_js_controller.HandleJsEvent("droppedevent", details2);
 
   PumpLoop();
 }
 
 }  // namespace
 }  // namespace syncer