Implemented new fence syncs which replaces the old sync points.

gpu/command_buffer/client/gles2_implementation_autogen.h

 // Copyright 2014 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.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 1009 matching lines @@
 void DiscardFramebufferEXT(GLenum target,
                            GLsizei count,
                            const GLenum* attachments) override;
 
 void LoseContextCHROMIUM(GLenum current, GLenum other) override;
 
 GLuint InsertSyncPointCHROMIUM() override;
 
 void WaitSyncPointCHROMIUM(GLuint sync_point) override;
 
+GLuint64 InsertFenceSyncCHROMIUM() override;
+
+void GenSyncTokenCHROMIUM(GLuint64 fence_sync, GLbyte* sync_token) override;
+
+void WaitSyncTokenCHROMIUM(const GLbyte* sync_token) override;
+
 void DrawBuffersEXT(GLsizei count, const GLenum* bufs) override;
 
 void DiscardBackbufferCHROMIUM() override;
 
 void ScheduleOverlayPlaneCHROMIUM(GLint plane_z_order,
                                   GLenum plane_transform,
                                   GLuint overlay_texture_id,
                                   GLint bounds_x,
                                   GLint bounds_y,
                                   GLint bounds_width,
@@ skipping 52 matching lines @@
                                         GLuint mask,
                                         GLenum coverMode) override;
 
 GLenum GetGraphicsResetStatusKHR() override;
 
 void BlendBarrierKHR() override;
 
 void ApplyScreenSpaceAntialiasingCHROMIUM() override;
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_AUTOGEN_H_