content/child: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

content/renderer/pepper/pepper_proxy_channel_delegate_impl.cc

 // Copyright (c) 2012 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 "content/renderer/pepper/pepper_proxy_channel_delegate_impl.h"
 
 #include "content/child/child_process.h"
 #include "content/common/sandbox_util.h"
 
 namespace content {
 
 PepperProxyChannelDelegateImpl::~PepperProxyChannelDelegateImpl() {}
 
-base::MessageLoopProxy* PepperProxyChannelDelegateImpl::GetIPCMessageLoop() {
+base::SingleThreadTaskRunner*
+PepperProxyChannelDelegateImpl::GetIPCTaskRunner() {
   // This is called only in the renderer so we know we have a child process.
   DCHECK(ChildProcess::current()) << "Must be in the renderer.";
-  return ChildProcess::current()->io_message_loop_proxy();
+  return ChildProcess::current()->io_task_runner();
 }
 
 base::WaitableEvent* PepperProxyChannelDelegateImpl::GetShutdownEvent() {
   DCHECK(ChildProcess::current()) << "Must be in the renderer.";
   return ChildProcess::current()->GetShutDownEvent();
 }
 
 IPC::PlatformFileForTransit
 PepperProxyChannelDelegateImpl::ShareHandleWithRemote(
     base::PlatformFile handle,
     base::ProcessId remote_pid,
     bool should_close_source) {
   return BrokerGetFileHandleForProcess(handle, remote_pid, should_close_source);
 }
 
 }  // namespace content