Implement Blink-in-JS for DOM attributes

Source/bindings/scripts/v8_private_script_interface.py

 # Copyright 2014 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.
 
 """Generate template values for V8PrivateScriptInterface.
 
 Blink-in-JS design doc: https://docs.google.com/a/google.com/document/d/13cT9Klgvt_ciAR3ONGvzKvw6fz9-f6E0FrqYFqfoc8Y/edit
 """
 
 from idl_types import IdlType
@@ skipping 38 matching lines @@
 
 
 def method_context(operation):
     extended_attributes = operation.extended_attributes
     idl_type = operation.idl_type
     idl_type_str = str(idl_type)
     contents = {
         'cpp_type': idl_type.cpp_type_args(raw_type=True),
         'name': operation.name,
         'v8_value_to_cpp_value': v8_types.v8_value_to_cpp_value(
-            idl_type, extended_attributes, 'v8Value', 0,
-            isolate='scriptState->isolate()'),
+            idl_type, extended_attributes, 'v8Value', 0, 'scriptState->isolate()'),
         }
     contents.update(arguments_context(operation.arguments, idl_type))
     return contents
 
 
 def arguments_context(arguments, idl_type):
     def argument_context(argument):
         return {
             'handle': '%sHandle' % argument.name,
             'cpp_value_to_v8_value': argument.idl_type.cpp_value_to_v8_value(
                 argument.name, isolate='scriptState->isolate()',
                 creation_context='scriptState->context()->Global()'),
         }
 
     argument_declarations = ['LocalFrame* frame']
     argument_declarations.extend(['%s %s' % (argument.idl_type.cpp_type_args(
         used_as_argument=True), argument.name) for argument in arguments])
     if idl_type.name != 'void':
         argument_declarations.append('%s* %s' % (idl_type.cpp_type, 'output'))
     return  {
         'argument_declarations': argument_declarations,
         'arguments': [argument_context(argument) for argument in arguments],
     }