Migrate WTF::Vector::append() to ::push_back() [part 7 of N]

third_party/WebKit/Source/core/html/HTMLFormControlElement.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 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 497 matching lines @@
   if (isValidElement())
     return true;
   if (eventBehavior != CheckValidityDispatchInvalidEvent)
     return false;
   Document* originalDocument = &document();
   DispatchEventResult dispatchResult =
       dispatchEvent(Event::createCancelable(EventTypeNames::invalid));
   if (dispatchResult == DispatchEventResult::NotCanceled &&
       unhandledInvalidControls && isConnected() &&
       originalDocument == document())
-    unhandledInvalidControls->append(this);
+    unhandledInvalidControls->push_back(this);
   return false;
 }
 
 void HTMLFormControlElement::showValidationMessage() {
   scrollIntoViewIfNeeded(false);
   focus();
   updateVisibleValidationMessage();
 }
 
 bool HTMLFormControlElement::reportValidity() {
@@ skipping 96 matching lines @@
     const Element& source) {
   HTMLElement::copyNonAttributePropertiesFromElement(source);
   setNeedsValidityCheck();
 }
 
 void HTMLFormControlElement::associateWith(HTMLFormElement* form) {
   associateByParser(form);
 };
 
 }  // namespace blink