Revert IDL compiler build flow to Perl, rename 'deprecated'

Source/bindings/scripts/unstable/idl_definitions.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 107 matching lines @@
                 'idlDocument::enumerations': self.enumerations.values(),
                 'idlDocument::fileName': self.file_name,
                 # Perl treats exceptions as a kind of interface
                 'idlDocument::interfaces': sorted(self.exceptions.values() + self.interfaces.values()),
                 }
 
     def to_json(self, debug=False):
         """Returns a JSON string representing the Definitions.
 
         The JSON output should be identical with the output of the Perl parser,
-        specifically the function serializeJSON in deprecated_idl_serializer.pm,
-        which takes a Perl object created by deprecated_idl_parser.pm.
+        specifically the function serializeJSON in idl_serializer.pm,
+        which takes a Perl object created by idl_parser.pm.
         """
         # Sort so order consistent, allowing comparison of output
         if debug:
             # indent turns on pretty-printing for legibility
             return json.dumps(self, cls=IdlEncoder, sort_keys=True, indent=4)
         # Use compact separators so output identical to Perl
         return json.dumps(self, cls=IdlEncoder, sort_keys=True, separators=(',', ':'))
 
 
 class IdlCallbackFunction(BaseIdl, TypedObject):
@@ skipping 303 matching lines @@
 
 
 # JSON export
 
 
 class IdlEncoder(json.JSONEncoder):
     def default(self, obj):
         if isinstance(obj, BaseIdl):
             return obj.json_serializable()
         return json.JSONEncoder.default(self, obj)