Track reasons for |Node::SetNeedsStyleRecalc|

Source/core/dom/VisitedLinkState.cpp

Index: Source/core/dom/VisitedLinkState.cpp
diff --git a/Source/core/dom/VisitedLinkState.cpp b/Source/core/dom/VisitedLinkState.cpp
index 8dde6d834e5e575aa50eaf94852c6bde4369c7dd..b08a2b2521e97da8e2997196ff064e6fc491b833 100644
--- a/Source/core/dom/VisitedLinkState.cpp
+++ b/Source/core/dom/VisitedLinkState.cpp
@@ -65,7 +65,7 @@ void VisitedLinkState::invalidateStyleForAllLinks()
         return;
     for (Node* node = document().firstChild(); node; node = NodeTraversal::next(*node)) {
         if (node->isLink())
-            node->setNeedsStyleRecalc(SubtreeStyleChange);
+            node->setNeedsStyleRecalc(StyleRecalcDueToVisitedLink, SubtreeStyleChange);
     }
 }
 
@@ -75,7 +75,7 @@ void VisitedLinkState::invalidateStyleForLink(LinkHash linkHash)
         return;
     for (Node* node = document().firstChild(); node; node = NodeTraversal::next(*node)) {
         if (node->isLink() && linkHashForElement(toElement(*node)) == linkHash)
-            node->setNeedsStyleRecalc(SubtreeStyleChange);
+            node->setNeedsStyleRecalc(StyleRecalcDueToVisitedLink, SubtreeStyleChange);
     }
 }