Remove message_loop_helpers.h and update the includes to point to the new location.

chrome/browser/automation/automation_provider.h

 // 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 implements a browser-side endpoint for UI automation activity.
 // The client-side endpoint is implemented by AutomationProxy.
 // The entire lifetime of this object should be contained within that of
 // the BrowserProcess, and in particular the NotificationService that's
 // hung off of it.
 
 #ifndef CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_H_
 #define CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_H_
 #pragma once
 
 #include <list>
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
-#include "base/message_loop_helpers.h"
 #include "base/observer_list.h"
+#include "base/sequenced_task_runner_helpers.h"
 #include "base/string16.h"
 #include "chrome/browser/autofill/field_types.h"
 #include "chrome/browser/cancelable_request.h"
 #include "chrome/common/automation_constants.h"
 #include "chrome/common/content_settings.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/trace_subscriber.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_listener.h"
@@ skipping 331 matching lines @@
   std::string channel_id_;
 
   // Trace data that has been collected but not flushed to the automation
   // client.
   TracingData tracing_data_;
 
   DISALLOW_COPY_AND_ASSIGN(AutomationProvider);
 };
 
 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_H_