Rename two functions related to 'default button'

third_party/WebKit/Source/core/html/HTMLFormElement.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, 2008, 2009, 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 73 matching lines @@
 
     bool noValidate() const;
 
     const AtomicString& action() const;
 
     String method() const;
     void setMethod(const AtomicString&);
 
     bool wasUserSubmitted() const;
 
-    HTMLFormControlElement* defaultButton() const;
+    // Find the 'default button.'
+    // https://html.spec.whatwg.org/multipage/forms.html#default-button
+    HTMLFormControlElement* findDefaultButton() const;
 
     bool checkValidity();
     bool reportValidity();
     bool matchesValidityPseudoClasses() const final;
     bool isValidElement() final;
 
     enum AutocompleteResult {
         AutocompleteResultSuccess,
         AutocompleteResultErrorDisabled,
         AutocompleteResultErrorCancel,
@@ skipping 79 matching lines @@
     bool m_isInResetFunction : 1;
 
     bool m_wasDemoted : 1;
 
     OwnPtrWillBeMember<GenericEventQueue> m_pendingAutocompleteEventsQueue;
 };
 
 } // namespace blink
 
 #endif // HTMLFormElement_h