Remove all remaining traces of MessageLoopProxy.

chrome/browser/safe_browsing/safe_browsing_service_browsertest.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.
 //
 // This test creates a safebrowsing service using test safebrowsing database
 // and a test protocol manager. It is used to test logics in safebrowsing
 // service.
 
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 
@@ skipping 624 matching lines @@
       scoped_refptr<base::SingleThreadTaskRunner> browser_thread) {
     scoped_refptr<base::ThreadTestHelper> thread_helper(
         new base::ThreadTestHelper(browser_thread));
     ASSERT_TRUE(thread_helper->Run());
   }
 
   // Waits for pending tasks on the IO thread to complete. This is useful
   // to wait for the SafeBrowsingService to finish loading/stopping.
   void WaitForIOThread() {
     scoped_refptr<base::ThreadTestHelper> io_helper(new base::ThreadTestHelper(
-        BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO).get()));
+        BrowserThread::GetTaskRunnerForThread(BrowserThread::IO).get()));
     ASSERT_TRUE(io_helper->Run());
   }
 
   // Waits for pending tasks on the IO thread to complete and check if the
   // SafeBrowsingService enabled state matches |enabled|.
   void WaitForIOAndCheckEnabled(SafeBrowsingService* service, bool enabled) {
     scoped_refptr<ServiceEnabledHelper> enabled_helper(new ServiceEnabledHelper(
         service, enabled,
-        BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO).get()));
+        BrowserThread::GetTaskRunnerForThread(BrowserThread::IO).get()));
     ASSERT_TRUE(enabled_helper->Run());
   }
 
  private:
   std::unique_ptr<TestSafeBrowsingServiceFactory> sb_factory_;
   TestSafeBrowsingDatabaseFactory db_factory_;
   TestSBProtocolManagerFactory pm_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingServiceTest);
 };
@@ skipping 1089 matching lines @@
       chrome::NOTIFICATION_SAFE_BROWSING_UPDATE_COMPLETE,
       content::Source<SafeBrowsingDatabaseManager>(
           sb_factory_->test_safe_browsing_service()->database_manager().get()));
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&SafeBrowsingDatabaseManagerCookieTest::ForceUpdate, this));
   observer.Wait();
 }
 
 }  // namespace safe_browsing