Support FormData on WorkerGlobalScope.

Source/bindings/scripts/v8_interface.py

Index: Source/bindings/scripts/v8_interface.py
diff --git a/Source/bindings/scripts/v8_interface.py b/Source/bindings/scripts/v8_interface.py
index e3d8f4c3a621a2d9fbab144f78d90d6222d5a899..917f156fc48a9aa4941ca96d1a075a4238ae55d8 100644
--- a/Source/bindings/scripts/v8_interface.py
+++ b/Source/bindings/scripts/v8_interface.py
@@ -453,7 +453,7 @@ def overload_check_argument(index, argument):
 def generate_constructor(interface, constructor):
     return {
         'argument_list': constructor_argument_list(interface, constructor),
-        'arguments': [constructor_argument(argument, index)
+        'arguments': [constructor_argument(interface, constructor, argument, index)
                       for index, argument in enumerate(constructor.arguments)],
         'has_exception_state':
             # [RaisesException=Constructor]
@@ -486,9 +486,11 @@ def constructor_argument_list(interface, constructor):
     return arguments
 
 
-def constructor_argument(argument, index):
+def constructor_argument(interface, constructor, argument, index):
     idl_type = argument.idl_type
+    this_cpp_value = v8_methods.cpp_value(interface, constructor, index, for_constructor=True)

[Nils Barth (inactive), 2014/04/09 02:00:27]

Could you inline this expression, as it's not being used elsewhere?

Per:
Jinja: Style: Python: One dictionary display per context, inline expressions
http://www.chromium.org/developers/jinja#TOC-One-dictionary-display-per-conte...

[sof, 2014/04/09 07:31:59]

Done + sorted the fields.

     return {
+        'cpp_value': this_cpp_value,
         'has_default': 'Default' in argument.extended_attributes,
         'idl_type_object': idl_type,
         # Dictionary is special-cased, but arrays and sequences shouldn't be