Add support for GL_COMMANDS_ISSUED_CHROMIUM fence like query.

gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h

 // Copyright (c) 2012 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
 // DO NOT EDIT!
 
 #ifndef GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_UTILS_IMPLEMENTATION_AUTOGEN_H_
 #define GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_UTILS_IMPLEMENTATION_AUTOGEN_H_
@@ skipping 923 matching lines @@
   };
   return GLES2Util::GetQualifiedEnumString(
       string_table, arraysize(string_table), value);
 }
 
 std::string GLES2Util::GetStringQueryTarget(uint32 value) {
   static EnumToString string_table[] = {
     { GL_ANY_SAMPLES_PASSED_EXT, "GL_ANY_SAMPLES_PASSED_EXT" },
     { GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT,
     "GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT" },
+    { GL_COMMANDS_ISSUED_CHROMIUM, "GL_COMMANDS_ISSUED_CHROMIUM" },
   };
   return GLES2Util::GetQualifiedEnumString(
       string_table, arraysize(string_table), value);
 }
 
 std::string GLES2Util::GetStringReadPixelFormat(uint32 value) {
   static EnumToString string_table[] = {
     { GL_ALPHA, "GL_ALPHA" },
     { GL_RGB, "GL_RGB" },
     { GL_RGBA, "GL_RGBA" },
@@ skipping 272 matching lines @@
 std::string GLES2Util::GetStringVertexPointer(uint32 value) {
   static 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_