mojo: add handle<shared_buffer> support to generator

mojo/public/bindings/pylib/parse/mojo_translate.py

 #!/usr/bin/env python
 # Copyright 2013 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.
 
 """Translate parse tree to Mojom IR"""
 
 
 import os
 import sys
@@ skipping 13 matching lines @@
                   'uint8': 'u8',
                   'uint16': 'u16',
                   'uint32': 'u32',
                   'uint64': 'u64',
                   'float': 'f',
                   'double': 'd',
                   'string': 's',
                   'handle': 'h',
                   'handle<data_pipe_consumer>': 'h:d:c',
                   'handle<data_pipe_producer>': 'h:d:p',
-                  'handle<message_pipe>': 'h:m'}
+                  'handle<message_pipe>': 'h:m',
+                  'handle<shared_buffer>': 'h:s'}
   if kind.endswith('[]'):
     return 'a:' + MapKind(kind[0:len(kind)-2])
   if kind in map_to_kind:
     return map_to_kind[kind]
   return 'x:' + kind
 
 def MapOrdinal(ordinal):
   if ordinal == None:
     return None
   return int(ordinal[1:])  # Strip leading '@'
@@ skipping 90 matching lines @@
     print("usage: %s filename" % (sys.argv[0]))
     sys.exit(1)
   tree = eval(open(sys.argv[1]).read())
   name = os.path.splitext(os.path.basename(sys.argv[1]))[0]
   result = Translate(tree, name)
   print(result)
 
 
 if __name__ == '__main__':
   Main()