ipc: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

ipc/mojo/ipc_message_pipe_reader.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 "ipc/mojo/ipc_message_pipe_reader.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
-#include "base/message_loop/message_loop_proxy.h"
+#include "base/single_thread_task_runner.h"
+#include "base/thread_task_runner_handle.h"
 #include "ipc/mojo/async_handle_waiter.h"
 #include "ipc/mojo/ipc_channel_mojo.h"
 
 namespace IPC {
 namespace internal {
 
 MessagePipeReader::MessagePipeReader(mojo::ScopedMessagePipeHandle handle,
                                      MessagePipeReader::Delegate* delegate)
     : pipe_(handle.Pass()),
       delegate_(delegate),
@@ skipping 192 matching lines @@
     Close();
     return;
   }
 
   ReadMessagesThenWait();
 }
 
 void MessagePipeReader::DelayedDeleter::operator()(
     MessagePipeReader* ptr) const {
   ptr->Close();
-  base::MessageLoopProxy::current()->PostTask(
-      FROM_HERE, base::Bind(&DeleteNow, ptr));
+  base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
+                                                base::Bind(&DeleteNow, ptr));
 }
 
 }  // namespace internal
 }  // namespace IPC