Support FormData on WorkerGlobalScope.

Source/bindings/tests/idls/TestInterfaceConstructor2.idl

 /*
  * 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
@@ skipping 23 matching lines @@
 // length == 0, non-overloaded just omits a block and is not worth another test.
 //
 // Also includes some [Default] arguments (instead of in
 // TestInterfaceConstructor.idl), otherwise overload resolution check string is
 // extremely long and triggers a lint warning (line length).
 [
     Constructor(DOMString stringArg),
     Constructor(
         TestInterfaceEmpty testInterfaceEmptyArg,
         long longArg,
-        [Default=Undefined] optional DOMString defaultUndefinedOptionalStringArg,
-        [Default=NullString] optional DOMString defaultNullStringOptionalStringArg,
+        [Default=Undefined] optional DOMString defaultUndefinedStringOptionalStringArg,
+        optional DOMString optionalStringArg,

[Nils Barth (inactive), 2014/04/09 09:36:38]

You mean to add another one here, right?
I.e., keep the existing 2 lines as is, add
optional DOMString optionalStringArg,
...as the last argument.

[sof, 2014/04/09 10:53:16]

Moved it down (and changed naming of 3rd arg back to previous.)

         [Default=Undefined] optional Dictionary defaultUndefinedOptionalDictionaryArg),
 ] interface TestInterfaceConstructor2 {
 };