Remove all remaining traces of MessageLoopProxy.

chrome/browser/profiles/profile_statistics_unittest.cc

Index: chrome/browser/profiles/profile_statistics_unittest.cc
diff --git a/chrome/browser/profiles/profile_statistics_unittest.cc b/chrome/browser/profiles/profile_statistics_unittest.cc
index 4344df92620ddb9cc822bf7bef54801b10d6fad3..b38fe0dbb2ff33fdb81f2d93b3dd3fea186ada95 100644
--- a/chrome/browser/profiles/profile_statistics_unittest.cc
+++ b/chrome/browser/profiles/profile_statistics_unittest.cc
@@ -42,10 +42,9 @@ std::unique_ptr<KeyedService> BuildBookmarkModelWithoutLoad(
 
 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));
 }