Revert of Adding Element.closest() API

Source/core/dom/Element.cpp

Index: Source/core/dom/Element.cpp
diff --git a/Source/core/dom/Element.cpp b/Source/core/dom/Element.cpp
index bf184d26de887810fb8b9be688c6f134fefe8afe..bbeda432053a4e4191fe25cf66ad145ba8cfee27 100644
--- a/Source/core/dom/Element.cpp
+++ b/Source/core/dom/Element.cpp
@@ -2557,19 +2557,6 @@
     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();