Update from https://crrev.com/327068

gpu/command_buffer/build_gles2_cmd_buffer.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 GLES2 command buffers."""
 
 import itertools
 import os
 import os.path
@@ skipping 4401 matching lines @@
       if 'range_checks' in item:
         for range_check in item['range_checks']:
           code.append("%s %s" % (args[ndx].name, range_check['check']))
       if 'nan_check' in item:
         # Drivers might generate an INVALID_VALUE error when a value is set
         # to NaN. This is allowed behavior under GLES 3.0 section 2.1.1 or
         # OpenGL 4.5 section 2.3.4.1 - providing NaN allows undefined results.
         # Make this behavior consistent within Chromium, and avoid leaking GL
         # errors by generating the error in the command buffer instead of
         # letting the GL driver generate it.
-        code.append("base::IsNaN(%s)" % args[ndx].name)
+        code.append("std::isnan(%s)" % args[ndx].name)
       if len(code):
         file.Write("  if (%s) {\n" % " ||\n      ".join(code))
         file.Write(
           '    LOCAL_SET_GL_ERROR(GL_INVALID_VALUE,'
           ' "%s", "%s out of range");\n' %
           (func.name, args[ndx].name))
         file.Write("    return error::kNoError;\n")
         file.Write("  }\n")
     code = []
     for ndx,item in enumerate(states):
@@ skipping 6227 matching lines @@
   Format(gen.generated_cpp_filenames)
 
   if gen.errors > 0:
     print "%d errors" % gen.errors
     return 1
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))