Removed client side support for 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 992 matching lines @@
                         const char* trace_name) override;
 
 void TraceEndCHROMIUM() override;
 
 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 GenUnverifiedSyncTokenCHROMIUM(GLuint64 fence_sync,
                                     GLbyte* sync_token) override;
 
 void VerifySyncTokensCHROMIUM(GLbyte** sync_tokens, GLsizei count) override;
 
 void WaitSyncTokenCHROMIUM(const GLbyte* sync_token) override;
@@ skipping 156 matching lines @@
                                     GLuint index,
                                     const char* name) override;
 
 void BindFragDataLocationEXT(GLuint program,
                              GLuint colorNumber,
                              const char* name) override;
 
 GLint GetFragDataIndexEXT(GLuint program, const char* name) override;
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_AUTOGEN_H_