Replace MessageLoopProxy with ThreadTaskRunnerHandle in src/sync/.

sync/api/attachments/attachment_service_impl.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 "sync/api/attachments/attachment_service_impl.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
+#include "base/thread_task_runner_handle.h"
 #include "sync/api/attachments/attachment.h"
 #include "sync/internal_api/public/attachments/fake_attachment_downloader.h"
 #include "sync/internal_api/public/attachments/fake_attachment_store.h"
 #include "sync/internal_api/public/attachments/fake_attachment_uploader.h"
 
 namespace syncer {
 
 // GetOrDownloadAttachments starts multiple parallel DownloadAttachment calls.
 // GetOrDownloadState tracks completion of these calls and posts callback for
 // consumer once all attachments are either retrieved or reported unavailable.
@@ skipping 101 matching lines @@
   DCHECK(attachment_store_);
 }
 
 AttachmentServiceImpl::~AttachmentServiceImpl() {
   DCHECK(CalledOnValidThread());
 }
 
 // Static.
 scoped_ptr<syncer::AttachmentService> AttachmentServiceImpl::CreateForTest() {
   scoped_ptr<syncer::AttachmentStore> attachment_store(
-      new syncer::FakeAttachmentStore(base::MessageLoopProxy::current()));
+      new syncer::FakeAttachmentStore(base::ThreadTaskRunnerHandle::Get()));
   scoped_ptr<AttachmentUploader> attachment_uploader(
       new FakeAttachmentUploader);
   scoped_ptr<AttachmentDownloader> attachment_downloader(
       new FakeAttachmentDownloader());
   scoped_ptr<syncer::AttachmentService> attachment_service(
       new syncer::AttachmentServiceImpl(attachment_store.Pass(),
                                         attachment_uploader.Pass(),
                                         attachment_downloader.Pass(),
                                         NULL));
   return attachment_service.Pass();
@@ skipping 113 matching lines @@
     const AttachmentDownloader::DownloadResult& result,
     scoped_ptr<Attachment> attachment) {
   if (result == AttachmentDownloader::DOWNLOAD_SUCCESS) {
     state->AddAttachment(*attachment.get());
   } else {
     state->AddUnavailableAttachmentId(attachment_id);
   }
 }
 
 }  // namespace syncer