Remove all remaining traces of MessageLoopProxy.

chrome/browser/policy/cloud/cloud_policy_manager_browsertest.cc

 // Copyright (c) 2013 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 <memory>
 
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 48 matching lines @@
 
     // Set retry delay to prevent timeouts.
     policy::DeviceManagementService::SetRetryDelayForTesting(0);
   }
 
   void SetUpOnMainThread() override {
     ASSERT_TRUE(PolicyServiceIsEmpty(g_browser_process->policy_service()))
         << "Pre-existing policies in this machine will make this test fail.";
 
     interceptor_.reset(new TestRequestInterceptor(
-        "localhost",
-        BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)));
+        "localhost", BrowserThread::GetTaskRunnerForThread(BrowserThread::IO)));
 
     BrowserPolicyConnector* connector =
         g_browser_process->browser_policy_connector();
     connector->ScheduleServiceInitialization(0);
 
 #if !defined(OS_CHROMEOS)
     // Mock a signed-in user. This is used by the UserCloudPolicyStore to pass
     // the username to the UserCloudPolicyValidator.
     SigninManager* signin_manager =
         SigninManagerFactory::GetForProfile(browser()->profile());
@@ skipping 117 matching lines @@
   const bool expect_reregister = true;
   interceptor_->PushJobCallback(
       TestRequestInterceptor::RegisterJob(expected_type, expect_reregister));
 
   EXPECT_FALSE(policy_manager()->core()->client()->is_registered());
   ASSERT_NO_FATAL_FAILURE(Register());
   EXPECT_TRUE(policy_manager()->core()->client()->is_registered());
 }
 
 }  // namespace policy