Update from https://crrev.com/314320

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 4457 matching lines @@
 }
 
 std::string GLES2Util::GetStringBlitFilter(uint32_t value) {
   static const EnumToString string_table[] = {
       {GL_NEAREST, "GL_NEAREST"}, {GL_LINEAR, "GL_LINEAR"},
   };
   return GLES2Util::GetQualifiedEnumString(string_table,
                                            arraysize(string_table), value);
 }
 
+std::string GLES2Util::GetStringBufferMode(uint32_t value) {
+  static const EnumToString string_table[] = {
+      {GL_INTERLEAVED_ATTRIBS, "GL_INTERLEAVED_ATTRIBS"},
+      {GL_SEPARATE_ATTRIBS, "GL_SEPARATE_ATTRIBS"},
+  };
+  return GLES2Util::GetQualifiedEnumString(string_table,
+                                           arraysize(string_table), value);
+}
+
 std::string GLES2Util::GetStringBufferParameter(uint32_t value) {
   static const EnumToString string_table[] = {
       {GL_BUFFER_SIZE, "GL_BUFFER_SIZE"}, {GL_BUFFER_USAGE, "GL_BUFFER_USAGE"},
   };
   return GLES2Util::GetQualifiedEnumString(string_table,
                                            arraysize(string_table), value);
 }
 
 std::string GLES2Util::GetStringBufferTarget(uint32_t value) {
   static const EnumToString string_table[] = {
@@ skipping 801 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_