Update from https://crrev.com/314320

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 10 matching lines @@
     GL_COLOR_EXT,
     GL_DEPTH_EXT,
     GL_STENCIL_EXT,
 };
 
 static const GLenum valid_blit_filter_table[] = {
     GL_NEAREST,
     GL_LINEAR,
 };
 
+static const GLenum valid_buffer_mode_table[] = {
+    GL_INTERLEAVED_ATTRIBS,
+    GL_SEPARATE_ATTRIBS,
+};
+
 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,
 };
 
@@ skipping 537 matching lines @@
 
 static const GLenum valid_vertex_pointer_table[] = {
     GL_VERTEX_ATTRIB_ARRAY_POINTER,
 };
 
 Validators::Validators()
     : attachment(valid_attachment_table, arraysize(valid_attachment_table)),
       backbuffer_attachment(valid_backbuffer_attachment_table,
                             arraysize(valid_backbuffer_attachment_table)),
       blit_filter(valid_blit_filter_table, arraysize(valid_blit_filter_table)),
+      buffer_mode(valid_buffer_mode_table, arraysize(valid_buffer_mode_table)),
       buffer_parameter(valid_buffer_parameter_table,
                        arraysize(valid_buffer_parameter_table)),
       buffer_target(valid_buffer_target_table,
                     arraysize(valid_buffer_target_table)),
       buffer_usage(valid_buffer_usage_table,
                    arraysize(valid_buffer_usage_table)),
       bufferfi(valid_bufferfi_table, arraysize(valid_bufferfi_table)),
       bufferfv(valid_bufferfv_table, arraysize(valid_bufferfv_table)),
       bufferiv(valid_bufferiv_table, arraysize(valid_bufferiv_table)),
       bufferuiv(valid_bufferuiv_table, arraysize(valid_bufferuiv_table)),
@@ skipping 100 matching lines @@
                          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)) {
 }
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_VALIDATION_IMPLEMENTATION_AUTOGEN_H_