Add MessageLoopProxy::current

ipc/ipc_sync_channel.cc

 // Copyright (c) 2011 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 "ipc/ipc_sync_channel.h"
 
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/threading/thread_local.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 151 matching lines @@
     top_send_done_watcher_ = watcher;
   }
 
  private:
   friend class base::RefCountedThreadSafe<ReceivedSyncMsgQueue>;
 
   // See the comment in SyncChannel::SyncChannel for why this event is created
   // as manual reset.
   ReceivedSyncMsgQueue() :
       dispatch_event_(true, false),
-      listener_message_loop_(base::MessageLoopProxy::CreateForCurrentThread()),
+      listener_message_loop_(base::MessageLoopProxy::current()),
       task_pending_(false),
       listener_count_(0),
       top_send_done_watcher_(NULL) {
   }
 
   ~ReceivedSyncMsgQueue() {}
 
   // Holds information about a queued synchronous message or reply.
   struct QueuedMessage {
     QueuedMessage(Message* m, SyncContext* c) : message(m), context(c) { }
@@ skipping 321 matching lines @@
 void SyncChannel::OnWaitableEventSignaled(WaitableEvent* event) {
   DCHECK(event == sync_context()->GetDispatchEvent());
   // The call to DispatchMessages might delete this object, so reregister
   // the object watcher first.
   event->Reset();
   dispatch_watcher_.StartWatching(event, this);
   sync_context()->DispatchMessages();
 }
 
 }  // namespace IPC