Remove all remaining traces of MessageLoopProxy.

components/nacl/renderer/ppb_nacl_private_impl.cc

 // Copyright 2013 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 "components/nacl/renderer/ppb_nacl_private.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 74 matching lines @@
 
 base::LazyInstance<scoped_refptr<PnaclTranslationResourceHost> >
     g_pnacl_resource_host = LAZY_INSTANCE_INITIALIZER;
 
 bool InitializePnaclResourceHost() {
   // Must run on the main thread.
   content::RenderThread* render_thread = content::RenderThread::Get();
   if (!render_thread)
     return false;
   if (!g_pnacl_resource_host.Get().get()) {
-    g_pnacl_resource_host.Get() = new PnaclTranslationResourceHost(
-        render_thread->GetIOMessageLoopProxy());
+    g_pnacl_resource_host.Get() =
+        new PnaclTranslationResourceHost(render_thread->GetIOTaskRunner());
     render_thread->AddFilter(g_pnacl_resource_host.Get().get());
   }
   return true;
 }
 
 bool CanOpenViaFastPath(content::PepperPluginInstance* plugin_instance,
                         const GURL& gurl) {
   // Fast path only works for installed file URLs.
   if (!gurl.SchemeIs("chrome-extension"))
     return PP_kInvalidFileHandle;
@@ skipping 416 matching lines @@
   instance_info.channel_handle = launch_result.ppapi_ipc_channel_handle;
   instance_info.plugin_pid = launch_result.plugin_pid;
   instance_info.plugin_child_id = launch_result.plugin_child_id;
 
   // Don't save instance_info if channel handle is invalid.
   if (IsValidChannelHandle(instance_info.channel_handle)) {
     if (process_type == kPNaClTranslatorProcessType) {
       // Return an IPC channel which allows communicating with a PNaCl
       // translator process.
       *translator_channel = IPC::SyncChannel::Create(
-          instance_info.channel_handle,
-          IPC::Channel::MODE_CLIENT,
-          new NoOpListener,
-          content::RenderThread::Get()->GetIOMessageLoopProxy(),
-          true,
-          content::RenderThread::Get()->GetShutdownEvent());
+          instance_info.channel_handle, IPC::Channel::MODE_CLIENT,
+          new NoOpListener, content::RenderThread::Get()->GetIOTaskRunner(),
+          true, content::RenderThread::Get()->GetShutdownEvent());
     } else {
       // Save the channel handle for when StartPpapiProxy() is called.
       NaClPluginInstance* nacl_plugin_instance =
           GetNaClPluginInstance(instance);
       nacl_plugin_instance->instance_info.reset(
           new InstanceInfo(instance_info));
     }
   }
 
   // Store the crash information shared memory handle.
@@ skipping 1197 matching lines @@
   // Mark the request as requesting a PNaCl bitcode file,
   // so that component updater can detect this user action.
   url_request.addHTTPHeaderField(
       blink::WebString::fromUTF8("Accept"),
       blink::WebString::fromUTF8("application/x-pnacl, */*"));
   url_request.setRequestContext(blink::WebURLRequest::RequestContextObject);
   downloader->Load(url_request);
 }
 
 }  // namespace nacl