Revert of Adding Element.closest() API

Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 2539 matching lines @@
 }
 
 bool Element::matches(const String& selectors, ExceptionState& exceptionState)
 {
     SelectorQuery* selectorQuery = document().selectorQueryCache().add(AtomicString(selectors), document(), exceptionState);
     if (!selectorQuery)
         return false;
     return selectorQuery->matches(*this);
 }
 
-Element* Element::closest(const String& selectors, ExceptionState& exceptionState)
-{
-    SelectorQuery* selectorQuery = document().selectorQueryCache().add(AtomicString(selectors), document(), exceptionState);
-    if (selectorQuery) {
-        for (Element* currentElement = this; currentElement; currentElement = currentElement->parentElement()) {
-            if (selectorQuery->matches(*currentElement))
-                return currentElement;
-        }
-    }
-
-    return nullptr;
-}
-
 DOMTokenList& Element::classList()
 {
     ElementRareData& rareData = ensureElementRareData();
     if (!rareData.classList())
         rareData.setClassList(ClassList::create(this));
     return *rareData.classList();
 }
 
 DOMStringMap& Element::dataset()
 {
@@ skipping 697 matching lines @@
         return wrapper;
 
     CustomElementBinding* binding = perContextData->customElementBinding(customElementDefinition());
 
     wrapper->SetPrototype(binding->prototype());
 
     return V8DOMWrapper::associateObjectWithWrapperNonTemplate(this, wrapperType, wrapper, isolate);
 }
 
 } // namespace blink