Load the table of visited links from database file asynchronously.

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 41 matching lines @@
     if (isHTMLAnchorElement(element))
         return toHTMLAnchorElement(element).visitedLinkHash();
     return visitedLinkHash(element.document().baseURL(), attribute.isNull() ? linkAttribute(element) : attribute);
 }
 
 VisitedLinkState::VisitedLinkState(const Document& document)
     : m_document(document)
 {
 }
 
-void VisitedLinkState::invalidateStyleForAllLinks()
+void VisitedLinkState::invalidateStyleForAllLinks(bool invalidateVisitedLinkHashes)
 {
     if (m_linksCheckedForVisitedState.isEmpty())
         return;
     for (Node& node : NodeTraversal::startsAt(document().firstChild())) {
         if (node.isLink()) {
+            if (invalidateVisitedLinkHashes && isHTMLAnchorElement(node))
+                toHTMLAnchorElement(node).invalidateCachedVisitedLinkHash();
             toElement(node).pseudoStateChanged(CSSSelector::PseudoLink);
             toElement(node).pseudoStateChanged(CSSSelector::PseudoVisited);
         }
     }
 }
 
 void VisitedLinkState::invalidateStyleForLink(LinkHash linkHash)
 {
     if (!m_linksCheckedForVisitedState.contains(linkHash))
         return;
@@ skipping 31 matching lines @@
 
     return InsideUnvisitedLink;
 }
 
 DEFINE_TRACE(VisitedLinkState)
 {
     visitor->trace(m_document);
 }
 
 } // namespace blink