Use base::MessageLoop in more files.

sync/test/accounts_client/test_accounts_client.cc

 // Copyright 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 "sync/test/accounts_client/test_accounts_client.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 117 matching lines @@
   string response;
   SendRequest(url, &response);
 }
 
 GURL TestAccountsClient::CreateGURLWithPath(const string& path) {
   return GURL(base::StringPrintf("%s/%s", server_.c_str(), path.c_str()));
 }
 
 
 bool TestAccountsClient::SendRequest(const GURL& url, string* response) {
-  MessageLoop* loop = MessageLoop::current();
+  base::MessageLoop* loop = base::MessageLoop::current();
   scoped_refptr<URLRequestContextGetter> context_getter(
       new URLRequestContextGetter(loop->message_loop_proxy()));
 
   base::RunLoop run_loop;
 
   AccountsRequestDelegate delegate(&run_loop);
   scoped_ptr<net::URLFetcher> fetcher(net::URLFetcher::Create(
           url, net::URLFetcher::POST, &delegate));
   fetcher->SetRequestContext(context_getter.get());
   fetcher->SetUploadData("application/json", "");
   fetcher->Start();
 
-  MessageLoop::current()->PostDelayedTask(FROM_HERE,
+  base::MessageLoop::current()->PostDelayedTask(FROM_HERE,
     run_loop.QuitClosure(),
     kRequestTimeout);
   run_loop.Run();
 
   if (delegate.success()) {
     *response = delegate.response();
   }
 
   return delegate.success();
 }