Update from https://crrev.com/320343

gpu/command_buffer/service/gles2_cmd_validation_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 25 matching lines @@
 static const GLenum valid_buffer_parameter_table[] = {
     GL_BUFFER_SIZE,
     GL_BUFFER_USAGE,
 };
 
 static const GLenum valid_buffer_target_table[] = {
     GL_ARRAY_BUFFER,
     GL_ELEMENT_ARRAY_BUFFER,
 };
 
+static const GLenum valid_buffer_target_table_es3[] = {
+    GL_COPY_READ_BUFFER,
+    GL_COPY_WRITE_BUFFER,
+    GL_PIXEL_PACK_BUFFER,
+    GL_PIXEL_UNPACK_BUFFER,
+    GL_TRANSFORM_FEEDBACK_BUFFER,
+    GL_UNIFORM_BUFFER,
+};
+
 static const GLenum valid_buffer_usage_table[] = {
     GL_STREAM_DRAW,
     GL_STATIC_DRAW,
     GL_DYNAMIC_DRAW,
 };
 
 static const GLenum valid_bufferfi_table[] = {
     GL_DEPTH_STENCIL,
 };
 
@@ skipping 217 matching lines @@
 static const GLenum valid_index_type_table[] = {
     GL_UNSIGNED_BYTE,
     GL_UNSIGNED_SHORT,
 };
 
 static const GLenum valid_indexed_buffer_target_table[] = {
     GL_TRANSFORM_FEEDBACK_BUFFER,
     GL_UNIFORM_BUFFER,
 };
 
+static const GLenum valid_map_buffer_access_table[] = {
+    GL_MAP_READ_BIT,
+    GL_MAP_WRITE_BIT,
+    GL_MAP_INVALIDATE_RANGE_BIT,
+    GL_MAP_INVALIDATE_BUFFER_BIT,
+    GL_MAP_FLUSH_EXPLICIT_BIT,
+    GL_MAP_UNSYNCHRONIZED_BIT,
+};
+
 static const GLenum valid_matrix_mode_table[] = {
     GL_PATH_PROJECTION_CHROMIUM,
     GL_PATH_MODELVIEW_CHROMIUM,
 };
 
 static const GLenum valid_pixel_store_table[] = {
     GL_PACK_ALIGNMENT,
     GL_UNPACK_ALIGNMENT,
     GL_UNPACK_FLIP_Y_CHROMIUM,
     GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM,
@@ skipping 361 matching lines @@
       get_tex_param_target(valid_get_tex_param_target_table,
                            arraysize(valid_get_tex_param_target_table)),
       hint_mode(valid_hint_mode_table, arraysize(valid_hint_mode_table)),
       hint_target(valid_hint_target_table, arraysize(valid_hint_target_table)),
       image_internal_format(valid_image_internal_format_table,
                             arraysize(valid_image_internal_format_table)),
       image_usage(valid_image_usage_table, arraysize(valid_image_usage_table)),
       index_type(valid_index_type_table, arraysize(valid_index_type_table)),
       indexed_buffer_target(valid_indexed_buffer_target_table,
                             arraysize(valid_indexed_buffer_target_table)),
+      map_buffer_access(valid_map_buffer_access_table,
+                        arraysize(valid_map_buffer_access_table)),
       matrix_mode(valid_matrix_mode_table, arraysize(valid_matrix_mode_table)),
       pixel_store(valid_pixel_store_table, arraysize(valid_pixel_store_table)),
       pixel_store_alignment(valid_pixel_store_alignment_table,
                             arraysize(valid_pixel_store_alignment_table)),
       pixel_type(valid_pixel_type_table, arraysize(valid_pixel_type_table)),
       program_parameter(valid_program_parameter_table,
                         arraysize(valid_program_parameter_table)),
       query_object_parameter(valid_query_object_parameter_table,
                              arraysize(valid_query_object_parameter_table)),
       query_parameter(valid_query_parameter_table,
@@ skipping 70 matching lines @@
       vertex_attrib_size(valid_vertex_attrib_size_table,
                          arraysize(valid_vertex_attrib_size_table)),
       vertex_attrib_type(valid_vertex_attrib_type_table,
                          arraysize(valid_vertex_attrib_type_table)),
       vertex_attribute(valid_vertex_attribute_table,
                        arraysize(valid_vertex_attribute_table)),
       vertex_pointer(valid_vertex_pointer_table,
                      arraysize(valid_vertex_pointer_table)) {
 }
 
+void Validators::AddES3Values() {
+  buffer_target.AddValues(valid_buffer_target_table_es3,
+                          arraysize(valid_buffer_target_table_es3));
+}
+
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_VALIDATION_IMPLEMENTATION_AUTOGEN_H_