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

content/gpu/gpu_child_thread.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/gpu/gpu_child_thread.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/threading/worker_pool.h"
 #include "build/build_config.h"
@@ skipping 160 matching lines @@
 #endif
 
   // We don't need to pipe log messages if we are running the GPU thread in
   // the browser process.
   if (!in_browser_process_)
     logging::SetLogMessageHandler(GpuProcessLogMessageHandler);
 
   // Defer creation of the render thread. This is to prevent it from handling
   // IPC messages before the sandbox has been enabled and all other necessary
   // initialization has succeeded.
-  gpu_channel_manager_.reset(
-      new GpuChannelManager(GetRouter(),
-                            watchdog_thread_.get(),
-                            ChildProcess::current()->io_message_loop_proxy(),
-                            ChildProcess::current()->GetShutDownEvent(),
-                            channel()));
+  gpu_channel_manager_.reset(new GpuChannelManager(
+      GetRouter(), watchdog_thread_.get(),
+      ChildProcess::current()->io_task_runner(),
+      ChildProcess::current()->GetShutDownEvent(), channel()));
 
 #if defined(USE_OZONE)
   ui::OzonePlatform::GetInstance()
       ->GetGpuPlatformSupport()
       ->OnChannelEstablished(this);
 #endif
 }
 
 void GpuChildThread::StopWatchdog() {
   if (watchdog_thread_.get()) {
@@ skipping 88 matching lines @@
 }
 
 void GpuChildThread::OnGpuSwitched() {
   DVLOG(1) << "GPU: GPU has switched";
   // Notify observers in the GPU process.
   ui::GpuSwitchingManager::GetInstance()->NotifyGpuSwitched();
 }
 
 }  // namespace content