Update from https://crrev.com/317530

gpu/command_buffer/client/gles2_cmd_helper_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 222 matching lines @@
   }
 }
 
 void ClearStencil(GLint s) {
   gles2::cmds::ClearStencil* c = GetCmdSpace<gles2::cmds::ClearStencil>();
   if (c) {
     c->Init(s);
   }
 }
 
+void ClientWaitSync(GLuint sync,
+                    GLbitfield flags,
+                    GLuint timeout_0,
+                    GLuint timeout_1,
+                    uint32_t result_shm_id,
+                    uint32_t result_shm_offset) {
+  gles2::cmds::ClientWaitSync* c = GetCmdSpace<gles2::cmds::ClientWaitSync>();
+  if (c) {
+    c->Init(sync, flags, timeout_0, timeout_1, result_shm_id,
+            result_shm_offset);
+  }
+}
+
 void ColorMask(GLboolean red,
                GLboolean green,
                GLboolean blue,
                GLboolean alpha) {
   gles2::cmds::ColorMask* c = GetCmdSpace<gles2::cmds::ColorMask>();
   if (c) {
     c->Init(red, green, blue, alpha);
   }
 }
 
@@ skipping 1722 matching lines @@
   }
 }
 
 void Viewport(GLint x, GLint y, GLsizei width, GLsizei height) {
   gles2::cmds::Viewport* c = GetCmdSpace<gles2::cmds::Viewport>();
   if (c) {
     c->Init(x, y, width, height);
   }
 }
 
+void WaitSync(GLuint sync,
+              GLbitfield flags,
+              GLuint timeout_0,
+              GLuint timeout_1) {
+  gles2::cmds::WaitSync* c = GetCmdSpace<gles2::cmds::WaitSync>();
+  if (c) {
+    c->Init(sync, flags, timeout_0, timeout_1);
+  }
+}
+
 void BlitFramebufferCHROMIUM(GLint srcX0,
                              GLint srcY0,
                              GLint srcX1,
                              GLint srcY1,
                              GLint dstX0,
                              GLint dstY0,
                              GLint dstX1,
                              GLint dstY1,
                              GLbitfield mask,
                              GLenum filter) {
@@ skipping 622 matching lines @@
 }
 
 void BlendBarrierKHR() {
   gles2::cmds::BlendBarrierKHR* c = GetCmdSpace<gles2::cmds::BlendBarrierKHR>();
   if (c) {
     c->Init();
   }
 }
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_CMD_HELPER_AUTOGEN_H_