Remove all remaining traces of MessageLoopProxy.

chrome/browser/profiles/profile_statistics_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 "chrome/browser/profiles/profile_statistics.h"
 
 #include <map>
 #include <memory>
 #include <set>
 #include <utility>
@@ skipping 24 matching lines @@
     content::BrowserContext* context) {
   Profile* profile = Profile::FromBrowserContext(context);
   std::unique_ptr<bookmarks::BookmarkModel> bookmark_model(
       new bookmarks::BookmarkModel(base::WrapUnique(new ChromeBookmarkClient(
           profile, ManagedBookmarkServiceFactory::GetForProfile(profile)))));
   return std::move(bookmark_model);
 }
 
 void LoadBookmarkModel(Profile* profile,
                        bookmarks::BookmarkModel* bookmark_model) {
-  bookmark_model->Load(profile->GetPrefs(),
-                       profile->GetPath(),
+  bookmark_model->Load(profile->GetPrefs(), profile->GetPath(),
                        profile->GetIOTaskRunner(),
-                       content::BrowserThread::GetMessageLoopProxyForThread(
+                       content::BrowserThread::GetTaskRunnerForThread(
                            content::BrowserThread::UI));
 }
 
 bookmarks::BookmarkModel* CreateBookmarkModelWithoutLoad(Profile* profile) {
   return static_cast<bookmarks::BookmarkModel*>(
       BookmarkModelFactory::GetInstance()->SetTestingFactoryAndUse(
           profile, BuildBookmarkModelWithoutLoad));
 }
 
 class BookmarkStatHelper {
@@ skipping 118 matching lines @@
   run_loop2.RunUntilIdle();
   EXPECT_EQ(0, bookmark_stat_helper.GetNumOfTimesCalled());
 
   // Load the bookmark model. When the model is loaded (asynchronously), the
   // observer added by WaitOrCountBookmarks is run.
   LoadBookmarkModel(profile, bookmark_model);
 
   run_loop_aggregator_destruction.Run();
   EXPECT_EQ(1, bookmark_stat_helper.GetNumOfTimesCalled());
 }