Add ES3 commands GetVertexAttribI{u}iv to GPU command buffer.

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 5649 matching lines @@
 std::string GLES2Util::GetStringVertexAttribute(uint32_t value) {
   static const EnumToString string_table[] = {
       {GL_VERTEX_ATTRIB_ARRAY_NORMALIZED, "GL_VERTEX_ATTRIB_ARRAY_NORMALIZED"},
       {GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING,
        "GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING"},
       {GL_VERTEX_ATTRIB_ARRAY_ENABLED, "GL_VERTEX_ATTRIB_ARRAY_ENABLED"},
       {GL_VERTEX_ATTRIB_ARRAY_SIZE, "GL_VERTEX_ATTRIB_ARRAY_SIZE"},
       {GL_VERTEX_ATTRIB_ARRAY_STRIDE, "GL_VERTEX_ATTRIB_ARRAY_STRIDE"},
       {GL_VERTEX_ATTRIB_ARRAY_TYPE, "GL_VERTEX_ATTRIB_ARRAY_TYPE"},
       {GL_CURRENT_VERTEX_ATTRIB, "GL_CURRENT_VERTEX_ATTRIB"},
+      {GL_VERTEX_ATTRIB_ARRAY_INTEGER, "GL_VERTEX_ATTRIB_ARRAY_INTEGER"},
+      {GL_VERTEX_ATTRIB_ARRAY_DIVISOR, "GL_VERTEX_ATTRIB_ARRAY_DIVISOR"},
   };
   return GLES2Util::GetQualifiedEnumString(string_table,
                                            arraysize(string_table), value);
 }
 
 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_