Support FormData on WorkerGlobalScope.

Source/core/html/DOMFormData.h

 /*
  * Copyright (C) 2010 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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef DOMFormData_h
 #define DOMFormData_h
 
 #include "core/html/FormDataList.h"
-#include "heap/Handle.h"
+#include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WTF{
 class TextEncoding;
 }
 
 namespace WebCore {
 
 class Blob;
 class HTMLFormElement;
 
 class DOMFormData : public RefCountedWillBeGarbageCollectedFinalized<DOMFormData>, public FormDataList, public ScriptWrappable {
 public:
-    static PassRefPtrWillBeRawPtr<DOMFormData> create(HTMLFormElement* form)
+    static PassRefPtrWillBeRawPtr<DOMFormData> create(HTMLFormElement* form = 0)
     {
         return adoptRefWillBeNoop(new DOMFormData(form));
     }
 
     static PassRefPtrWillBeRawPtr<DOMFormData> create(const WTF::TextEncoding& encoding)
     {
         return adoptRefWillBeNoop(new DOMFormData(encoding));
     }
 
     void append(const String& name, const String& value);
     void append(const String& name, Blob*, const String& filename = String());
 
 private:
     explicit DOMFormData(const WTF::TextEncoding&);
     explicit DOMFormData(HTMLFormElement*);
 };
 
 } // namespace WebCore
 
 #endif // DOMFormData_h