[oilpan] Completely move HTMLFormControlElement's hierarchy to the managed heap

Source/core/html/SubmitInputType.h

Index: Source/core/html/SubmitInputType.h
diff --git a/Source/core/html/SubmitInputType.h b/Source/core/html/SubmitInputType.h
index 596920cd4372345a318859e368d3413a319f66b8..064c41cd96951677e9bd14ec9df9902095366981 100644
--- a/Source/core/html/SubmitInputType.h
+++ b/Source/core/html/SubmitInputType.h
@@ -37,10 +37,10 @@ namespace WebCore {
 
 class SubmitInputType : public BaseButtonInputType {
 public:
-    static PassOwnPtr<InputType> create(HTMLInputElement*);
+    static PassOwnPtr<InputType> create(Handle<HTMLInputElement>);
 
 private:
-    SubmitInputType(HTMLInputElement* element) : BaseButtonInputType(element) { }
+    SubmitInputType(Handle<HTMLInputElement> element) : BaseButtonInputType(element) { }
     virtual const AtomicString& formControlType() const OVERRIDE;
     virtual bool appendFormData(FormDataList&, bool) const OVERRIDE;
     virtual bool supportsRequired() const OVERRIDE;