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

content/common/gpu/gpu_channel.cc

Index: content/common/gpu/gpu_channel.cc
diff --git a/content/common/gpu/gpu_channel.cc b/content/common/gpu/gpu_channel.cc
index 1c8e4f95f3cb853e72a7ab1829288f19ed86b002..6262ed5e071c478ebf16be0d95bac09b16e175de 100644
--- a/content/common/gpu/gpu_channel.cc
+++ b/content/common/gpu/gpu_channel.cc
@@ -411,13 +411,12 @@ void GpuChannel::Init(base::MessageLoopProxy* io_message_loop,
   DCHECK(!channel_.get());
 
   // Map renderer ID to a (single) channel to that process.
-  channel_.reset(new IPC::SyncChannel(
-      channel_id_,
-      IPC::Channel::MODE_SERVER,
-      this,
-      io_message_loop,
-      false,
-      shutdown_event));
+  channel_ = IPC::SyncChannel::Create(channel_id_,
+                                      IPC::Channel::MODE_SERVER,
+                                      this,
+                                      io_message_loop,
+                                      false,
+                                      shutdown_event);
 
   filter_ =
       new GpuChannelMessageFilter(weak_factory_.GetWeakPtr(),