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

ppapi/proxy/proxy_channel.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 "ppapi/proxy/proxy_channel.h"
 
 #include "base/logging.h"
 #include "ipc/ipc_platform_file.h"
 #include "ipc/ipc_test_sink.h"
 
@@ skipping 17 matching lines @@
 bool ProxyChannel::InitWithChannel(Delegate* delegate,
                                    base::ProcessId peer_pid,
                                    const IPC::ChannelHandle& channel_handle,
                                    bool is_client) {
   delegate_ = delegate;
   peer_pid_ = peer_pid;
   IPC::Channel::Mode mode = is_client
       ? IPC::Channel::MODE_CLIENT
       : IPC::Channel::MODE_SERVER;
   channel_ = IPC::SyncChannel::Create(channel_handle, mode, this,
-                                      delegate->GetIPCMessageLoop(), true,
+                                      delegate->GetIPCTaskRunner(), true,
                                       delegate->GetShutdownEvent());
   return true;
 }
 
 void ProxyChannel::InitWithTestSink(IPC::TestSink* test_sink) {
   DCHECK(!test_sink_);
   test_sink_ = test_sink;
 #if !defined(OS_NACL)
   peer_pid_ = base::GetCurrentProcId();
 #endif
@@ skipping 31 matching lines @@
   if (channel_.get())
     return channel_->Send(msg);
 
   // Remote side crashed, drop this message.
   delete msg;
   return false;
 }
 
 }  // namespace proxy
 }  // namespace ppapi