Support FormData on WorkerGlobalScope.

Source/core/html/DOMFormData.h

Index: Source/core/html/DOMFormData.h
diff --git a/Source/core/html/DOMFormData.h b/Source/core/html/DOMFormData.h
index 0d2dce39dd66419e225835549f9fd91200849acf..4844c1e20cbcd4df4c022a4e9e67c07b45a2baa5 100644
--- a/Source/core/html/DOMFormData.h
+++ b/Source/core/html/DOMFormData.h
@@ -32,7 +32,7 @@
 #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"
@@ -44,14 +44,12 @@ class TextEncoding;
 namespace WebCore {
 
 class Blob;
+class ExecutionContext;
 class HTMLFormElement;
 
 class DOMFormData : public RefCountedWillBeGarbageCollectedFinalized<DOMFormData>, public FormDataList, public ScriptWrappable {
 public:
-    static PassRefPtrWillBeRawPtr<DOMFormData> create(HTMLFormElement* form)
-    {
-        return adoptRefWillBeNoop(new DOMFormData(form));
-    }
+    static PassRefPtrWillBeRawPtr<DOMFormData> create(ExecutionContext*, HTMLFormElement*);
 
     static PassRefPtrWillBeRawPtr<DOMFormData> create(const WTF::TextEncoding& encoding)
     {