Update from https://crrev.com/318214

gpu/command_buffer/client/gles2_interface_stub_impl_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 372 matching lines @@
                                                   GLint* /* precision */) {
 }
 void GLES2InterfaceStub::GetShaderSource(GLuint /* shader */,
                                          GLsizei /* bufsize */,
                                          GLsizei* /* length */,
                                          char* /* source */) {
 }
 const GLubyte* GLES2InterfaceStub::GetString(GLenum /* name */) {
   return 0;
 }
+void GLES2InterfaceStub::GetSynciv(GLsync /* sync */,
+                                   GLenum /* pname */,
+                                   GLsizei /* bufsize */,
+                                   GLsizei* /* length */,
+                                   GLint* /* values */) {
+}
 void GLES2InterfaceStub::GetTexParameterfv(GLenum /* target */,
                                            GLenum /* pname */,
                                            GLfloat* /* params */) {
 }
 void GLES2InterfaceStub::GetTexParameteriv(GLenum /* target */,
                                            GLenum /* pname */,
                                            GLint* /* params */) {
 }
 void GLES2InterfaceStub::GetTransformFeedbackVarying(GLuint /* program */,
                                                      GLuint /* index */,
@@ skipping 791 matching lines @@
 void GLES2InterfaceStub::SwapInterval(GLint /* interval */) {
 }
 void GLES2InterfaceStub::MatrixLoadfCHROMIUM(GLenum /* matrixMode */,
                                              const GLfloat* /* m */) {
 }
 void GLES2InterfaceStub::MatrixLoadIdentityCHROMIUM(GLenum /* matrixMode */) {
 }
 void GLES2InterfaceStub::BlendBarrierKHR() {
 }
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_INTERFACE_STUB_IMPL_AUTOGEN_H_