Rename two functions related to 'default button'

third_party/WebKit/Source/core/html/HTMLFormElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * 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
@@ skipping 655 matching lines @@
 void HTMLFormElement::setMethod(const AtomicString& value)
 {
     setAttribute(methodAttr, value);
 }
 
 bool HTMLFormElement::wasUserSubmitted() const
 {
     return m_wasUserSubmitted;
 }
 
-HTMLFormControlElement* HTMLFormElement::defaultButton() const
+HTMLFormControlElement* HTMLFormElement::findDefaultButton() const
 {
-    const FormAssociatedElement::List& elements = associatedElements();
-    for (unsigned i = 0; i < elements.size(); ++i) {
-        if (!elements[i]->isFormControlElement())
+    for (const auto& element : associatedElements()) {
+        if (!element->isFormControlElement())
             continue;
-        HTMLFormControlElement* control = toHTMLFormControlElement(elements[i]);
+        HTMLFormControlElement* control = toHTMLFormControlElement(element);
         if (control->canBeSuccessfulSubmitButton())
             return control;
     }
-
-    return 0;
+    return nullptr;
 }
 
 bool HTMLFormElement::checkValidity()
 {
     return !checkInvalidControlsAndCollectUnhandled(0, CheckValidityDispatchInvalidEvent);
 }
 
 bool HTMLFormElement::checkInvalidControlsAndCollectUnhandled(WillBeHeapVector<RefPtrWillBeMember<HTMLFormControlElement>>* unhandledInvalidControls, CheckValidityEventBehavior eventBehavior)
 {
     RefPtrWillBeRawPtr<HTMLFormElement> protector(this);
@@ skipping 145 matching lines @@
 {
     for (const auto& control : associatedElements()) {
         if (!control->isFormControlElement())
             continue;
         if (toHTMLFormControlElement(control)->canBeSuccessfulSubmitButton())
             toHTMLFormControlElement(control)->pseudoStateChanged(CSSSelector::PseudoDefault);
     }
 }
 
 } // namespace blink