Remove all remaining traces of MessageLoopProxy.

chrome/browser/service_process/service_process_control.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 "chrome/browser/service_process/service_process_control.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 34 matching lines @@
     RunConnectDoneTasks();
     return;
   }
 
   // Actually going to connect.
   DVLOG(1) << "Connecting to Service Process IPC Server";
 
   // TODO(hclam): Handle error connecting to channel.
   const IPC::ChannelHandle channel_id = GetServiceProcessChannel();
   SetChannel(IPC::ChannelProxy::Create(
-      channel_id,
-      IPC::Channel::MODE_NAMED_CLIENT,
-      this,
-      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO).get()));
+      channel_id, IPC::Channel::MODE_NAMED_CLIENT, this,
+      BrowserThread::GetTaskRunnerForThread(BrowserThread::IO).get()));
 }
 
 void ServiceProcessControl::SetChannel(
     std::unique_ptr<IPC::ChannelProxy> channel) {
   channel_ = std::move(channel);
 }
 
 void ServiceProcessControl::RunConnectDoneTasks() {
   // The tasks executed here may add more tasks to the vector. So copy
   // them to the stack before executing them. This way recursion is
@@ skipping 314 matching lines @@
   if (process_.IsValid()) {
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&Launcher::DoDetectLaunched, this));
   } else {
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE, base::Bind(&Launcher::Notify, this));
   }
 }
 #endif  // !OS_MACOSX