Remove all remaining traces of MessageLoopProxy.

content/browser/browser_context.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 "content/public/browser/browser_context.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <algorithm>
 #include <limits>
@@ skipping 421 matching lines @@
           std::move(service_request));
     browser_context->SetUserData(kMojoShellConnection, connection_holder);
 
     MojoShellConnection* connection = connection_holder->shell_connection();
 
     // New embedded service factories should be added to |connection| here.
 
     if (base::CommandLine::ForCurrentProcess()->HasSwitch(
             switches::kMojoLocalStorage)) {
       MojoApplicationInfo info;
-      info.application_factory = base::Bind(
-          &user_service::CreateUserService,
-          BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
-          BrowserThread::GetMessageLoopProxyForThread(BrowserThread::DB));
+      info.application_factory =
+          base::Bind(&user_service::CreateUserService,
+                     BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE),
+                     BrowserThread::GetTaskRunnerForThread(BrowserThread::DB));
       connection->AddEmbeddedService(user_service::kUserServiceName, info);
     }
   }
 }
 
 // static
 const std::string& BrowserContext::GetShellUserIdFor(
     BrowserContext* browser_context) {
   CHECK(browser_context->GetUserData(kMojoWasInitialized))
       << "Attempting to get the mojo user id for a BrowserContext that was "
@@ skipping 27 matching lines @@
       << "Attempting to destroy a BrowserContext that never called "
       << "Initialize()";
 
   RemoveBrowserContextFromUserIdMap(this);
 
   if (GetUserData(kDownloadManagerKeyName))
     GetDownloadManager(this)->Shutdown();
 }
 
 }  // namespace content