Move InsertSyncPoint to GLES2Interface

ppapi/thunk/ppb_graphics_3d_api.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 PPAPI_THUNK_PPB_GRAPHICS_3D_API_H_
 #define PPAPI_THUNK_PPB_GRAPHICS_3D_API_H_
 
 #include "base/memory/ref_counted.h"
 #include "ppapi/c/ppb_graphics_3d.h"
 #include "ppapi/c/trusted/ppb_graphics_3d_trusted.h"
@@ skipping 35 matching lines @@
   virtual void* MapTexSubImage2DCHROMIUM(GLenum target,
                                          GLint level,
                                          GLint xoffset,
                                          GLint yoffset,
                                          GLsizei width,
                                          GLsizei height,
                                          GLenum format,
                                          GLenum type,
                                          GLenum access) = 0;
   virtual void UnmapTexSubImage2DCHROMIUM(const void* mem) = 0;
+
+  virtual uint32_t InsertSyncPoint() = 0;
 };
 
 }  // namespace thunk
 }  // namespace ppapi
 
 #endif  // PPAPI_THUNK_PPB_GRAPHICS_3D_API_H_