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

chrome/browser/media_galleries/fileapi/safe_media_metadata_parser.cc

 // Copyright 2014 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_media_metadata_parser.h"
 
+#include "base/single_thread_task_runner.h"
+#include "base/thread_task_runner_handle.h"
 #include "chrome/browser/extensions/blob_reader.h"
 #include "chrome/common/extensions/chrome_utility_extensions_messages.h"
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/child_process_data.h"
 #include "content/public/browser/utility_process_host.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using content::BrowserThread;
 
@@ skipping 26 matching lines @@
 
 void SafeMediaMetadataParser::StartWorkOnIOThread(
     const DoneCallback& callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DCHECK_EQ(INITIAL_STATE, parser_state_);
   DCHECK(!callback.is_null());
 
   callback_ = callback;
 
   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_ParseMediaMetadata(mime_type_, blob_size_,
                                               get_attached_images_));
 
   parser_state_ = STARTED_PARSING_STATE;
 }
 
@@ skipping 83 matching lines @@
         OnParseMediaMetadataFinished)
     IPC_MESSAGE_HANDLER(
         ChromeUtilityHostMsg_RequestBlobBytes,
         OnUtilityProcessRequestBlobBytes)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 }  // namespace metadata