Expose SignalSyncPoint through MGL api

mojo/gpu/mojo_context_support.cc

 // Copyright 2015 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 "mojo/gpu/mojo_context_support.h"
 
 #include "base/callback.h"
 #include "base/logging.h"
+#include "mojo/public/c/gpu/MGL/mgl_signal_sync_point.h"
 
 namespace mojo {
 namespace {
 
 void RunAndDeleteCallback(void* context) {
   base::Closure* callback = reinterpret_cast<base::Closure*>(context);
   callback->Run();
   delete callback;
 }
 }
 
 MojoContextSupport::MojoContextSupport(MojoGLES2Context context)
     : context_(context) {
 }
 
 MojoContextSupport::~MojoContextSupport() {
 }
 
 void MojoContextSupport::SignalSyncPoint(uint32 sync_point,
                                          const base::Closure& callback) {
-  MojoGLES2SignalSyncPoint(context_, sync_point, &RunAndDeleteCallback,
-                           new base::Closure(callback));
+  MGLSignalSyncPoint(sync_point, &RunAndDeleteCallback,
+                     new base::Closure(callback));
 }
 
 void MojoContextSupport::SignalQuery(uint32 query,
                                      const base::Closure& callback) {
   NOTIMPLEMENTED();
 }
 
 void MojoContextSupport::SetSurfaceVisible(bool visible) {
   NOTIMPLEMENTED();
 }
@@ skipping 19 matching lines @@
 uint32 MojoContextSupport::InsertFutureSyncPointCHROMIUM() {
   NOTIMPLEMENTED();
   return 0u;
 }
 
 void MojoContextSupport::RetireSyncPointCHROMIUM(uint32 sync_point) {
   NOTIMPLEMENTED();
 }
 
 }  // namespace mojo