Have InputType factories take an HTMLInputElement reference in parameter

Source/core/html/forms/InputType.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Samsung Electronics. 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
@@ skipping 40 matching lines @@
 
 // An InputType object represents the type-specific part of an HTMLInputElement.
 // Do not expose instances of InputType and classes derived from it to classes
 // other than HTMLInputElement.
 // FIXME: InputType should not inherit InputTypeView. It's conceptually wrong.
 class InputType : public InputTypeView {
     WTF_MAKE_NONCOPYABLE(InputType);
     WTF_MAKE_FAST_ALLOCATED;
 
 public:
-    static PassRefPtr<InputType> create(HTMLInputElement*, const AtomicString&);
-    static PassRefPtr<InputType> createText(HTMLInputElement*);
+    static PassRefPtr<InputType> create(HTMLInputElement&, const AtomicString&);
+    static PassRefPtr<InputType> createText(HTMLInputElement&);
     static const AtomicString& normalizeTypeName(const AtomicString&);
     virtual ~InputType();
 
     static bool canChangeFromAnotherType(const AtomicString& normalizedTypeName);
     static bool themeSupportsDataListUI(InputType*);
 
     virtual const AtomicString& formControlType() const = 0;
 
     // Type query functions
 
@@ skipping 159 matching lines @@
     virtual unsigned height() const;
     virtual unsigned width() const;
 
     void dispatchSimulatedClickIfActive(KeyboardEvent*) const;
 
     // InputTypeView override
     virtual bool shouldSubmitImplicitly(Event*) OVERRIDE;
     virtual bool hasCustomFocusLogic() const OVERRIDE;
 
 protected:
-    InputType(HTMLInputElement* element) : InputTypeView(element) { }
+    InputType(HTMLInputElement& element) : InputTypeView(element) { }
     Chrome* chrome() const;
     Locale& locale() const;
     Decimal parseToNumberOrNaN(const String&) const;
     void observeFeatureIfVisible(UseCounter::Feature) const;
 
 private:
     // Helper for stepUp()/stepDown(). Adds step value * count to the current value.
     void applyStep(int count, AnyStepHandling, TextFieldEventBehavior, ExceptionState&);
 };
 
 } // namespace WebCore
 #endif