Replace MessageLoopProxy with ThreadTaskRunnerHandle in src/sync/.

sync/api/attachments/attachment_service_proxy.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_proxy.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
+#include "base/thread_task_runner_handle.h"
 #include "sync/api/sync_data.h"
 
 namespace syncer {
 
 namespace {
 
 // These ProxyFooCallback functions are used to invoke a callback in a specific
 // thread.
 
 // Invokes |callback| with |result| and |attachments| in the |task_runner|
@@ skipping 45 matching lines @@
   DCHECK(core_);
 }
 
 AttachmentServiceProxy::~AttachmentServiceProxy() {
 }
 
 void AttachmentServiceProxy::GetOrDownloadAttachments(
     const AttachmentIdList& attachment_ids,
     const GetOrDownloadCallback& callback) {
   DCHECK(wrapped_task_runner_);
-  GetOrDownloadCallback proxy_callback = base::Bind(
-      &ProxyGetOrDownloadCallback, base::MessageLoopProxy::current(), callback);
+  GetOrDownloadCallback proxy_callback =
+      base::Bind(&ProxyGetOrDownloadCallback,
+                 base::ThreadTaskRunnerHandle::Get(),
+                 callback);
   wrapped_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&AttachmentService::GetOrDownloadAttachments,
                  core_,
                  attachment_ids,
                  proxy_callback));
 }
 
 void AttachmentServiceProxy::DropAttachments(
     const AttachmentIdList& attachment_ids,
     const DropCallback& callback) {
   DCHECK(wrapped_task_runner_);
   DropCallback proxy_callback = base::Bind(
-      &ProxyDropCallback, base::MessageLoopProxy::current(), callback);
+      &ProxyDropCallback, base::ThreadTaskRunnerHandle::Get(), callback);
   wrapped_task_runner_->PostTask(FROM_HERE,
                                  base::Bind(&AttachmentService::DropAttachments,
                                             core_,
                                             attachment_ids,
                                             proxy_callback));
 }
 
 void AttachmentServiceProxy::StoreAttachments(const AttachmentList& attachments,
                                               const StoreCallback& callback) {
   DCHECK(wrapped_task_runner_);
   StoreCallback proxy_callback = base::Bind(
-      &ProxyStoreCallback, base::MessageLoopProxy::current(), callback);
+      &ProxyStoreCallback, base::ThreadTaskRunnerHandle::Get(), callback);
   wrapped_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&AttachmentService::StoreAttachments,
                  core_,
                  attachments,
                  proxy_callback));
 }
 
 AttachmentServiceProxy::Core::Core(
     const base::WeakPtr<syncer::AttachmentService>& wrapped)
@@ skipping 24 matching lines @@
 void AttachmentServiceProxy::Core::StoreAttachments(
     const AttachmentList& attachments,
     const StoreCallback& callback) {
   if (!wrapped_) {
     return;
   }
   wrapped_->StoreAttachments(attachments, callback);
 }
 
 }  // namespace syncer