Update from https://crrev.com/316786

ui/gl/generate_bindings.py

 #!/usr/bin/env python
 # 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.
 
 """code generator for GL/GLES extension wrangler."""
 
 import optparse
 import os
 import collections
@@ skipping 624 matching lines @@
   'arguments': 'GLenum target, GLint level, GLenum pname, GLint* params', },
 { 'return_type': 'void',
   'names': ['glGetTexParameterfv'],
   'arguments': 'GLenum target, GLenum pname, GLfloat* params', },
 { 'return_type': 'void',
   'names': ['glGetTexParameteriv'],
   'arguments': 'GLenum target, GLenum pname, GLint* params', },
 { 'return_type': 'void',
   'versions': [{ 'name': 'glGetTransformFeedbackVarying' }],
   'arguments': 'GLuint program, GLuint index, GLsizei bufSize, '
-               'GLsizei* length, GLenum* type, char* name', },
+               'GLsizei* length, GLsizei* size, GLenum* type, char* name', },
 { 'return_type': 'void',
   'names': ['glGetTranslatedShaderSourceANGLE'],
   'arguments':
       'GLuint shader, GLsizei bufsize, GLsizei* length, char* source', },
 { 'return_type': 'GLuint',
   'versions': [{ 'name': 'glGetUniformBlockIndex' }],
   'arguments': 'GLuint program, const char* uniformBlockName', },
 { 'return_type': 'void',
   'names': ['glGetUniformfv'],
   'arguments': 'GLuint program, GLint location, GLfloat* params', },
@@ skipping 1894 matching lines @@
                                     'gl_enums_implementation_autogen.h'),
                        'wb')
     GenerateEnumUtils(header_file, enum_header_filenames)
     header_file.close()
     ClangFormat(header_file.name)
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))