Use invalidation sets for visited link updates.

third_party/WebKit/Source/core/dom/VisitedLinkState.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 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 46 matching lines @@
 VisitedLinkState::VisitedLinkState(const Document& document)
     : m_document(document)
 {
 }
 
 void VisitedLinkState::invalidateStyleForAllLinks()
 {
     if (m_linksCheckedForVisitedState.isEmpty())
         return;
     for (Node& node : NodeTraversal::startsAt(document().firstChild())) {
-        if (node.isLink())
-            node.setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::VisitedLink));
+        if (node.isLink()) {
+            toElement(node).pseudoStateChanged(CSSSelector::PseudoLink);
+            toElement(node).pseudoStateChanged(CSSSelector::PseudoVisited);
+        }
     }
 }
 
 void VisitedLinkState::invalidateStyleForLink(LinkHash linkHash)
 {
     if (!m_linksCheckedForVisitedState.contains(linkHash))
         return;
     for (Node& node : NodeTraversal::startsAt(document().firstChild())) {
-        if (node.isLink() && linkHashForElement(toElement(node)) == linkHash)
-            node.setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::VisitedLink));
+        if (node.isLink() && linkHashForElement(toElement(node)) == linkHash) {
+            toElement(node).pseudoStateChanged(CSSSelector::PseudoLink);
+            toElement(node).pseudoStateChanged(CSSSelector::PseudoVisited);
+        }
     }
 }
 
 EInsideLink VisitedLinkState::determineLinkStateSlowCase(const Element& element)
 {
     ASSERT(element.isLink());
     ASSERT(document().isActive());
     ASSERT(document() == element.document());
 
     const AtomicString& attribute = linkAttribute(element);
@@ skipping 16 matching lines @@
 
     return InsideUnvisitedLink;
 }
 
 DEFINE_TRACE(VisitedLinkState)
 {
     visitor->trace(m_document);
 }
 
 } // namespace blink