Remove all remaining traces of MessageLoopProxy.

chrome/test/base/testing_browser_process.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 "chrome/test/base/testing_browser_process.h"
 
 #include "base/strings/string_util.h"
 #include "base/time/default_clock.h"
 #include "base/time/default_tick_clock.h"
 #include "build/build_config.h"
@@ skipping 133 matching lines @@
 }
 
 policy::BrowserPolicyConnector*
     TestingBrowserProcess::browser_policy_connector() {
   if (!browser_policy_connector_) {
     EXPECT_FALSE(created_browser_policy_connector_);
     created_browser_policy_connector_ = true;
     browser_policy_connector_ = platform_part_->CreateBrowserPolicyConnector();
 
     // Note: creating the ChromeBrowserPolicyConnector invokes BrowserThread::
-    // GetMessageLoopProxyForThread(), which initializes a base::LazyInstance of
+    // GetTaskRunnerForThread(), which initializes a base::LazyInstance of
     // BrowserThreadTaskRunners. However, the threads that these task runners
     // would run tasks on are *also* created lazily and might not exist yet.
     // Creating them requires a MessageLoop, which a test can optionally create
     // and manage itself, so don't do it here.
   }
   return browser_policy_connector_.get();
 }
 
 policy::PolicyService* TestingBrowserProcess::policy_service() {
   return browser_policy_connector()->GetPolicyService();
@@ skipping 283 matching lines @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
 TestingBrowserProcessInitializer::TestingBrowserProcessInitializer() {
   TestingBrowserProcess::CreateInstance();
 }
 
 TestingBrowserProcessInitializer::~TestingBrowserProcessInitializer() {
   TestingBrowserProcess::DeleteInstance();
 }