Convert a few ppapi dev interfaces to IDL. NaCl has tests for these

ppapi/generators/idl_lexer.py

 #!/usr/bin/python
 #
 # Copyright (c) 2011 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.
 
 """ Lexer for PPAPI IDL """
 
 #
 # IDL Lexer
@@ skipping 79 matching lines @@
   # Lex assumes any value or function in the form of 't_<TYPE>' represents a
   # regular expression where a match will emit a token of type <TYPE>.  In the
   # case of a function, the function is called when a match is made. These
   # definitions come from WebIDL.
 
   # 't_ignore' is a special match of items to ignore
   t_ignore = ' \t'
 
   # Constant values
   t_FLOAT = r'-?(\d+\.\d*|\d*\.\d+)([Ee][+-]?\d+)?|-?\d+[Ee][+-]?\d+'
-  t_INT = r'-?[0-9]+'
+  t_INT = r'-?[0-9]+[uU]?'
   t_OCT = r'-?0[0-7]+'
   t_HEX = r'-?0[Xx][0-9A-Fa-f]+'
   t_LSHIFT = r'<<'
   t_RSHIFT = r'>>'
 
   # A line ending '\n', we use this to increment the line number
   def t_LINE_END(self, t):
     r'\n+'
     self.AddLines(len(t.value))
 
@@ skipping 212 matching lines @@
       if TestExpect(tokens):
         return -1
     return 0
 
   except lex.LexError as le:
     sys.stderr.write('%s\n' % str(le))
   return -1
 
 if __name__ == '__main__':
   sys.exit(Main(sys.argv[1:]))
-