Remove EventPath::parent() in favor of NodeRenderingTraversal::parent().

Source/core/events/EventPath.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 27 matching lines @@
 #include "core/events/FocusEvent.h"
 #include "core/events/MouseEvent.h"
 #include "core/events/TouchEvent.h"
 #include "core/events/TouchEventContext.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/svg/SVGElementInstance.h"
 #include "core/svg/SVGUseElement.h"
 
 namespace WebCore {
 
-Node* EventPath::parent(Node* node)
-{
-    EventPath eventPath(node);
-    return eventPath.size() > 1 ? eventPath[1].node() : 0;
-}
-
 EventTarget* EventPath::eventTargetRespectingTargetRules(Node* referenceNode)
 {
     ASSERT(referenceNode);
 
     if (referenceNode->isPseudoElement())
         return referenceNode->parentNode();
 
     if (!referenceNode->isSVGElement() || !referenceNode->isInShadowTree())
         return referenceNode;
 
@@ skipping 311 matching lines @@
 
 #ifndef NDEBUG
 void EventPath::checkReachability(TreeScope& treeScope, TouchList& touchList)
 {
     for (size_t i = 0; i < touchList.length(); ++i)
         ASSERT(touchList.item(i)->target()->toNode()->treeScope().isInclusiveOlderSiblingShadowRootOrAncestorTreeScopeOf(treeScope));
 }
 #endif
 
 } // namespace