Update from https://crrev.com/312600

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 409 matching lines @@
 
 void DeleteSamplersImmediate(GLsizei n, const GLuint* samplers) {
   const uint32_t size = gles2::cmds::DeleteSamplersImmediate::ComputeSize(n);
   gles2::cmds::DeleteSamplersImmediate* c =
       GetImmediateCmdSpaceTotalSize<gles2::cmds::DeleteSamplersImmediate>(size);
   if (c) {
     c->Init(n, samplers);
   }
 }
 
+void DeleteSync(GLuint sync) {
+  gles2::cmds::DeleteSync* c = GetCmdSpace<gles2::cmds::DeleteSync>();
+  if (c) {
+    c->Init(sync);
+  }
+}
+
 void DeleteShader(GLuint shader) {
   gles2::cmds::DeleteShader* c = GetCmdSpace<gles2::cmds::DeleteShader>();
   if (c) {
     c->Init(shader);
   }
 }
 
 void DeleteTexturesImmediate(GLsizei n, const GLuint* textures) {
   const uint32_t size = gles2::cmds::DeleteTexturesImmediate::ComputeSize(n);
   gles2::cmds::DeleteTexturesImmediate* c =
@@ skipping 82 matching lines @@
 }
 
 void EnableVertexAttribArray(GLuint index) {
   gles2::cmds::EnableVertexAttribArray* c =
       GetCmdSpace<gles2::cmds::EnableVertexAttribArray>();
   if (c) {
     c->Init(index);
   }
 }
 
+void FenceSync(uint32_t client_id) {
+  gles2::cmds::FenceSync* c = GetCmdSpace<gles2::cmds::FenceSync>();
+  if (c) {
+    c->Init(client_id);
+  }
+}
+
 void Finish() {
   gles2::cmds::Finish* c = GetCmdSpace<gles2::cmds::Finish>();
   if (c) {
     c->Init();
   }
 }
 
 void Flush() {
   gles2::cmds::Flush* c = GetCmdSpace<gles2::cmds::Flush>();
   if (c) {
@@ skipping 493 matching lines @@
 
 void IsShader(GLuint shader,
               uint32_t result_shm_id,
               uint32_t result_shm_offset) {
   gles2::cmds::IsShader* c = GetCmdSpace<gles2::cmds::IsShader>();
   if (c) {
     c->Init(shader, result_shm_id, result_shm_offset);
   }
 }
 
+void IsSync(GLuint sync, uint32_t result_shm_id, uint32_t result_shm_offset) {
+  gles2::cmds::IsSync* c = GetCmdSpace<gles2::cmds::IsSync>();
+  if (c) {
+    c->Init(sync, result_shm_id, result_shm_offset);
+  }
+}
+
 void IsTexture(GLuint texture,
                uint32_t result_shm_id,
                uint32_t result_shm_offset) {
   gles2::cmds::IsTexture* c = GetCmdSpace<gles2::cmds::IsTexture>();
   if (c) {
     c->Init(texture, result_shm_id, result_shm_offset);
   }
 }
 
 void IsTransformFeedback(GLuint transformfeedback,
@@ skipping 155 matching lines @@
                   uint32_t binary_shm_id,
                   uint32_t binary_shm_offset,
                   GLsizei length) {
   gles2::cmds::ShaderBinary* c = GetCmdSpace<gles2::cmds::ShaderBinary>();
   if (c) {
     c->Init(n, shaders_shm_id, shaders_shm_offset, binaryformat, binary_shm_id,
             binary_shm_offset, length);
   }
 }
 
-void ShaderSourceBucket(GLuint shader, uint32_t data_bucket_id) {
+void ShaderSourceBucket(GLuint shader, uint32_t str_bucket_id) {
   gles2::cmds::ShaderSourceBucket* c =
       GetCmdSpace<gles2::cmds::ShaderSourceBucket>();
   if (c) {
-    c->Init(shader, data_bucket_id);
+    c->Init(shader, str_bucket_id);
   }
 }
 
 void StencilFunc(GLenum func, GLint ref, GLuint mask) {
   gles2::cmds::StencilFunc* c = GetCmdSpace<gles2::cmds::StencilFunc>();
   if (c) {
     c->Init(func, ref, mask);
   }
 }
 
@@ skipping 1221 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_