Clean-up after Form Association Refactoring

third_party/WebKit/Source/core/html/HTMLButtonElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 14 matching lines @@
 #define HTMLButtonElement_h
 
 #include "core/html/HTMLFormControlElement.h"
 
 namespace blink {
 
 class HTMLButtonElement final : public HTMLFormControlElement {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
-  static HTMLButtonElement* create(Document&, HTMLFormElement*);
+  static HTMLButtonElement* create(Document&);
 
   void setType(const AtomicString&);
 
   const AtomicString& value() const;
 
   bool willRespondToMouseClickEvents() override;
 
  private:
-  HTMLButtonElement(Document&, HTMLFormElement*);
+  explicit HTMLButtonElement(Document&);
 
   enum Type { SUBMIT, RESET, BUTTON };
 
   const AtomicString& formControlType() const override;
 
   LayoutObject* createLayoutObject(const ComputedStyle&) override;
 
   // HTMLFormControlElement always creates one, but buttons don't need it.
   bool alwaysCreateUserAgentShadowRoot() const override { return false; }
 
@@ skipping 24 matching lines @@
   bool isOptionalFormControl() const override { return true; }
   bool recalcWillValidate() const override;
 
   Type m_type;
   bool m_isActivatedSubmit;
 };
 
 }  // namespace blink
 
 #endif  // HTMLButtonElement_h