Mojo: Mojom: Make specialized handle types (e.g., message_pipe) not keywords.

mojo/public/tools/bindings/pylib/mojom/parse/lexer.py

 # 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.
 
 import imp
 import os.path
 import sys
 
 # Disable lint check for finding modules:
 # pylint: disable=F0401
@@ skipping 39 matching lines @@
   ## Internal auxiliary methods
   ##
   def _error(self, msg, token):
     raise LexError(self.filename, msg, token.lineno)
 
   ##
   ## Reserved keywords
   ##
   keywords = (
     'HANDLE',
-    'DATA_PIPE_CONSUMER',
-    'DATA_PIPE_PRODUCER',
-    'MESSAGE_PIPE',
-    'SHARED_BUFFER',
 
     'IMPORT',
     'MODULE',
     'STRUCT',
     'INTERFACE',
     'ENUM',
     'CONST',
   )
 
   keyword_map = {}
@@ skipping 207 matching lines @@
     return t
 
   # Ignore C and C++ style comments
   def t_COMMENT(self, t):
     r'(/\*(.|\n)*?\*/)|(//.*(\n[ \t]*//.*)*)'
     pass
 
   def t_error(self, t):
     msg = 'Illegal character %s' % repr(t.value[0])
     self._error(msg, t)