Have InputType factories take an HTMLInputElement reference in parameter

Source/core/html/forms/SubmitInputType.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple 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.
@@ skipping 24 matching lines @@
 #include "core/events/Event.h"
 #include "core/html/FormDataList.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/forms/InputTypeNames.h"
 #include "platform/text/PlatformLocale.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace WebCore {
 
-PassRefPtr<InputType> SubmitInputType::create(HTMLInputElement* element)
+PassRefPtr<InputType> SubmitInputType::create(HTMLInputElement& element)
 {
     return adoptRef(new SubmitInputType(element));
 }
 
 const AtomicString& SubmitInputType::formControlType() const
 {
     return InputTypeNames::submit();
 }
 
 bool SubmitInputType::appendFormData(FormDataList& encoding, bool) const
 {
-    if (!element()->isActivatedSubmit())
+    if (!element().isActivatedSubmit())
         return false;
-    encoding.appendData(element()->name(), element()->valueWithDefault());
+    encoding.appendData(element().name(), element().valueWithDefault());
     return true;
 }
 
 bool SubmitInputType::supportsRequired() const
 {
     return false;
 }
 
 void SubmitInputType::handleDOMActivateEvent(Event* event)
 {
-    RefPtr<HTMLInputElement> element = this->element();
+    RefPtr<HTMLInputElement> element(this->element());
     if (element->isDisabledFormControl() || !element->form())
         return;
     element->setActivatedSubmit(true);
     element->form()->prepareForSubmission(event); // Event handlers can run.
     element->setActivatedSubmit(false);
     event->setDefaultHandled();
 }
 
 bool SubmitInputType::canBeSuccessfulSubmitButton()
 {
     return true;
 }
 
 String SubmitInputType::defaultValue() const
 {
     return locale().queryString(WebKit::WebLocalizedString::SubmitButtonDefaultLabel);
 }
 
 bool SubmitInputType::isSubmitButton() const
 {
     return true;
 }
 
 bool SubmitInputType::isTextButton() const
 {
     return true;
 }
 
 } // namespace WebCore