Cleanup: Remove more unneeded browser_thread.h includes.

chrome/browser/extensions/api/messaging/native_message_process_host_win.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/browser/extensions/api/messaging/native_message_process_host.h"
 
 #include <windows.h>
 
 #include "base/logging.h"
 #include "base/message_pump_win.h"
 #include "base/platform_file.h"
 #include "base/process_util.h"
-#include "content/public/browser/browser_thread.h"
 
 namespace extensions {
 
 void NativeMessageProcessHost::OnIOCompleted(
     MessageLoopForIO::IOContext* context,
     DWORD bytes_transfered,
     DWORD error) {
   NOTREACHED();
 }
 
 void NativeMessageProcessHost::InitIO() {
   NOTREACHED();
 }
 
 bool NativeMessageProcessHost::WriteData(FileHandle file,
                                          const char* data,
                                          size_t bytes_to_write) {
   NOTREACHED();
   return false;
 }
 
 bool NativeMessageProcessHost::ReadData(FileHandle file,
                                         char* data,
                                         size_t bytes_to_read) {
   NOTREACHED();
   return false;
 }
 
 }  // namespace extensions