Rename nodes/elements traversal function names.

Source/core/css/resolver/SharedStyleFinder.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 257 matching lines @@
     if (document().containsValidityStyleRules()) {
         if (candidate.isValidElement() != element().isValidElement())
             return false;
     }
 
     return true;
 }
 
 bool SharedStyleFinder::documentContainsValidCandidate() const
 {
-    for (Element& element : ElementTraversal::from(document().documentElement())) {
+    for (Element& element : ElementTraversal::startsAt(document().documentElement())) {
         if (element.supportsStyleSharing() && canShareStyleWithElement(element))
             return true;
     }
     return false;
 }
 
 inline Element* SharedStyleFinder::findElementForStyleSharing() const
 {
     StyleSharingList& styleSharingList = m_styleResolver.styleSharingList();
     for (StyleSharingList::iterator it = styleSharingList.begin(); it != styleSharingList.end(); ++it) {
@@ skipping 52 matching lines @@
     // Tracking child index requires unique style for each node. This may get set by the sibling rule match above.
     if (!element().parentElementOrShadowRoot()->childrenSupportStyleSharing()) {
         INCREMENT_STYLE_STATS_COUNTER(m_styleResolver, sharedStyleRejectedByParent);
         return 0;
     }
 
     return shareElement->renderStyle();
 }
 
 }