Add IPC::ChannelProxy::Create() and IPC::SyncChannel::Create()

components/nacl/loader/nacl_trusted_listener.cc

 // Copyright 2014 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/loader/nacl_trusted_listener.h"
 
 NaClTrustedListener::NaClTrustedListener(
     const IPC::ChannelHandle& handle,
     base::MessageLoopProxy* message_loop_proxy,
     base::WaitableEvent* shutdown_event) {
-  channel_.reset(new IPC::SyncChannel(handle, IPC::Channel::MODE_SERVER, this,
-                                      message_loop_proxy, true,
-                                      shutdown_event));
+  channel_ = IPC::SyncChannel::Create(handle,
+                                      IPC::Channel::MODE_SERVER,
+                                      this,
+                                      message_loop_proxy,
+                                      true,
+                                      shutdown_event);
 }
 
 NaClTrustedListener::~NaClTrustedListener() {
 }
 
 #if defined(OS_POSIX)
 int NaClTrustedListener::TakeClientFileDescriptor() {
   return channel_->TakeClientFileDescriptor();
 }
 #endif
 
 bool NaClTrustedListener::OnMessageReceived(const IPC::Message& msg) {
   return false;
 }
 
 void NaClTrustedListener::OnChannelConnected(int32 peer_pid) {
 }
 
 void NaClTrustedListener::OnChannelError() {
   channel_->Close();
 }
 
 bool NaClTrustedListener::Send(IPC::Message* msg) {
   return channel_->Send(msg);
 }