Have InputType factories take an HTMLInputElement reference in parameter

Source/core/html/forms/SubmitInputType.cpp

Index: Source/core/html/forms/SubmitInputType.cpp
diff --git a/Source/core/html/forms/SubmitInputType.cpp b/Source/core/html/forms/SubmitInputType.cpp
index 260f9665e785220144a2d18d800528cc8edc85ce..cda83bfca94d8f2dbe94e040fd63c515ac432a50 100644
--- a/Source/core/html/forms/SubmitInputType.cpp
+++ b/Source/core/html/forms/SubmitInputType.cpp
@@ -42,7 +42,7 @@
 
 namespace WebCore {
 
-PassRefPtr<InputType> SubmitInputType::create(HTMLInputElement* element)
+PassRefPtr<InputType> SubmitInputType::create(HTMLInputElement& element)
 {
     return adoptRef(new SubmitInputType(element));
 }
@@ -54,9 +54,9 @@ const AtomicString& SubmitInputType::formControlType() const
 
 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;
 }
 
@@ -67,7 +67,7 @@ bool SubmitInputType::supportsRequired() const
 
 void SubmitInputType::handleDOMActivateEvent(Event* event)
 {
-    RefPtr<HTMLInputElement> element = this->element();
+    RefPtr<HTMLInputElement> element(this->element());
     if (element->isDisabledFormControl() || !element->form())
         return;
     element->setActivatedSubmit(true);