Add CHROMIUM_ycbcr_422_image extension.

gpu/command_buffer/common/gles2_cmd_utils_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 3901 matching lines @@
        "GL_FRAGMENT_SHADER_DERIVATIVE_HINT"},
   };
   return GLES2Util::GetQualifiedEnumString(string_table,
                                            arraysize(string_table), value);
 }
 
 std::string GLES2Util::GetStringImageInternalFormat(uint32_t value) {
   static const EnumToString string_table[] = {
       {GL_RGB, "GL_RGB"},
       {GL_RGB_YUV_420_CHROMIUM, "GL_RGB_YUV_420_CHROMIUM"},
+      {GL_RGB_YCRCR_422_CHROMIUM, "GL_RGB_YCRCR_422_CHROMIUM"},
       {GL_RGBA, "GL_RGBA"},
   };
   return GLES2Util::GetQualifiedEnumString(string_table,
                                            arraysize(string_table), value);
 }
 
 std::string GLES2Util::GetStringImageUsage(uint32_t value) {
   static const EnumToString string_table[] = {
       {GL_MAP_CHROMIUM, "GL_MAP_CHROMIUM"},
       {GL_SCANOUT_CHROMIUM, "GL_SCANOUT_CHROMIUM"},
@@ skipping 860 matching lines @@
 
 std::string GLES2Util::GetStringVertexPointer(uint32_t value) {
   static const EnumToString string_table[] = {
       {GL_VERTEX_ATTRIB_ARRAY_POINTER, "GL_VERTEX_ATTRIB_ARRAY_POINTER"},
   };
   return GLES2Util::GetQualifiedEnumString(string_table,
                                            arraysize(string_table), value);
 }
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_UTILS_IMPLEMENTATION_AUTOGEN_H_