Mojo: Add support for float and double types in IDL files.

mojo/public/bindings/parser/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 sys
 
 
 def MapKind(kind):
-  # todo: add more types
   map_to_kind = { 'bool': 'b',
                   'int8': 'i8',
                   'int16': 'i16',
                   'int32': 'i32',
                   'int64': 'i64',
                   'uint8': 'u8',
                   'uint16': 'u16',
                   'uint32': 'u32',
                   'uint64': 'u64',
+                  'float': 'f',
+                  'double': 'd',
                   'string': 's',
                   'handle': 'h' }
   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):
@@ skipping 73 matching lines @@
   if len(sys.argv) < 2:
     print("usage: %s filename" % (sys.argv[0]))
     sys.exit(1)
   tree = eval(open(sys.argv[1]).read())
   result = Translate(tree)
   print(result)
 
 
 if __name__ == '__main__':
   Main()