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

Source/bindings/scripts/unstable/v8_utilities.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
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+"""Functions shared by various parts of the code generator.
+
+UNSTABLE: Not currently used in build.
+This is a rewrite of the Perl IDL compiler in Python, but is not complete.
+Once it is complete, we will switch all IDL files over to Python at once.
+Until then, please work on the Perl IDL compiler.
+For details, see bug http://crbug.com/239771
+"""
+
 # FIXME: eliminate this file if possible
 
 import v8_types
 
 ACRONYMS = ['CSS', 'HTML', 'IME', 'JS', 'SVG', 'URL', 'WOFF', 'XML', 'XSLT']
 
 
 # FIXME: these could be merged as implemented_as_cpp_name
 def cpp_class_name(interface):
     return interface.extended_attributes.get('ImplementedAs', interface.name)
@@ skipping 35 matching lines @@
     """
     for acronym in ACRONYMS:
         if name.startswith(acronym):
             name.replace(acronym, acronym.lower())
             return name
     return name[0].lower() + name[1:]
 
 
 def v8_class_name(interface):
     return v8_types.v8_type(interface.name)