Introduce IPC::ChannelProxy::Create*() and IPC::SynChannel::Create*()

remoting/host/ipc_util_win.cc

Index: remoting/host/ipc_util_win.cc
diff --git a/remoting/host/ipc_util_win.cc b/remoting/host/ipc_util_win.cc
index 37c3383087e1573b92a8eb4a4a44e0cd30fb1d45..452c7bdcd04172e9c29dd831895de707d910cb3c 100644
--- a/remoting/host/ipc_util_win.cc
+++ b/remoting/host/ipc_util_win.cc
@@ -51,11 +51,10 @@ bool CreateConnectedIpcChannel(
   }
 
   // Wrap the pipe into an IPC channel.
-  scoped_ptr<IPC::ChannelProxy> server(new IPC::ChannelProxy(
+  scoped_ptr<IPC::ChannelProxy> server = IPC::ChannelProxy::CreateServer(
       IPC::ChannelHandle(pipe),
-      IPC::Channel::MODE_SERVER,
       listener,
-      io_task_runner));
+      io_task_runner);
 
   // Convert the channel name to the pipe name.
   std::string pipe_name(kChromePipeNamePrefix);