[chrome/browser/media_galleries/fileapi] Use ThreadTaskRunnerHandle instead of MessageLoopProxy

chrome/browser/media_galleries/fileapi/safe_audio_video_checker.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 "chrome/browser/media_galleries/fileapi/safe_audio_video_checker.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/process/process_handle.h"
+#include "base/single_thread_task_runner.h"
+#include "base/thread_task_runner_handle.h"
 #include "chrome/common/chrome_utility_messages.h"
 #include "chrome/common/extensions/chrome_utility_extensions_messages.h"
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/child_process_data.h"
 #include "content/public/browser/utility_process_host.h"
 #include "content/public/browser/browser_thread.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_platform_file.h"
 #include "ui/base/l10n/l10n_util.h"
 
@@ skipping 10 matching lines @@
     return;
   state_ = PINGED_STATE;
 
   if (!file_.IsValid()) {
     callback_.Run(base::File::FILE_ERROR_SECURITY);
     state_ = FINISHED_STATE;
     return;
   }
 
   utility_process_host_ = content::UtilityProcessHost::Create(
-      this, base::MessageLoopProxy::current())->AsWeakPtr();
+      this, base::ThreadTaskRunnerHandle::Get())->AsWeakPtr();
   utility_process_host_->SetName(l10n_util::GetStringUTF16(
       IDS_UTILITY_PROCESS_MEDIA_FILE_CHECKER_NAME));
   utility_process_host_->Send(new ChromeUtilityMsg_StartupPing);
 }
 
 SafeAudioVideoChecker::~SafeAudioVideoChecker() {}
 
 void SafeAudioVideoChecker::OnProcessStarted() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   if (state_ != PINGED_STATE)
@@ skipping 32 matching lines @@
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(SafeAudioVideoChecker, message)
     IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ProcessStarted,
         OnProcessStarted)
     IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_CheckMediaFile_Finished,
         OnCheckingFinished)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }