aura: Remove sync point methods from ImageTransportFactory api.

content/browser/aura/image_transport_factory.h

 // 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.
 
 #ifndef CONTENT_BROWSER_AURA_IMAGE_TRANSPORT_FACTORY_H_
 #define CONTENT_BROWSER_AURA_IMAGE_TRANSPORT_FACTORY_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 73 matching lines @@
   virtual scoped_refptr<ui::Texture> CreateOwnedTexture(
       const gfx::Size& size,
       float device_scale_factor,
       unsigned int texture_id) = 0;
 
   // Gets a GLHelper instance, associated with the shared context. This
   // GLHelper will get destroyed whenever the shared context is lost
   // (ImageTransportFactoryObserver::OnLostResources is called).
   virtual GLHelper* GetGLHelper() = 0;
 
-  // Inserts a SyncPoint into the shared context.
-  virtual uint32 InsertSyncPoint() = 0;
-
-  // Blocks waiting for the sync point on the service side.
-  virtual void WaitSyncPoint(uint32 sync_point) = 0;
-
   virtual void AddObserver(ImageTransportFactoryObserver* observer) = 0;
   virtual void RemoveObserver(ImageTransportFactoryObserver* observer) = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_AURA_IMAGE_TRANSPORT_FACTORY_H_