Remove calls to deprecated MessageLoop methods in components.

components/bookmarks/browser/bookmark_expanded_state_tracker_unittest.cc

 // Copyright 2014 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/bookmarks/browser/bookmark_expanded_state_tracker.h"
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/bookmarks/common/bookmark_pref_names.h"
 #include "components/bookmarks/test/bookmark_test_helpers.h"
 #include "components/bookmarks/test/test_bookmark_client.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/testing_pref_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 26 matching lines @@
   prefs_.registry()->RegisterListPref(prefs::kManagedBookmarks);
   model_.reset(new BookmarkModel(base::WrapUnique(new TestBookmarkClient())));
   model_->Load(&prefs_, base::FilePath(),
                base::ThreadTaskRunnerHandle::Get(),
                base::ThreadTaskRunnerHandle::Get());
   test::WaitForBookmarkModelToLoad(model_.get());
 }
 
 void BookmarkExpandedStateTrackerTest::TearDown() {
   model_.reset();
-  message_loop_.RunUntilIdle();
+  base::RunLoop().RunUntilIdle();
 }
 
 // Various assertions for SetExpandedNodes.
 TEST_F(BookmarkExpandedStateTrackerTest, SetExpandedNodes) {
   BookmarkExpandedStateTracker* tracker = model_->expanded_state_tracker();
 
   // Should start out initially empty.
   EXPECT_TRUE(tracker->GetExpandedNodes().empty());
 
   BookmarkExpandedStateTracker::Nodes nodes;
@@ skipping 26 matching lines @@
   tracker->SetExpandedNodes(nodes);
   // Verify that the node is present.
   EXPECT_EQ(nodes, tracker->GetExpandedNodes());
   // Call remove all.
   model_->RemoveAllUserBookmarks();
   // Verify node is not present.
   EXPECT_TRUE(tracker->GetExpandedNodes().empty());
 }
 
 }  // namespace bookmarks