Introduce NodeTraversal::ancestorsOf() and inclusiveAncestors() for range-based for loop

third_party/WebKit/Source/core/dom/Document.cpp

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index 45a91520ec31434010ac96e70b77e51e429b7f9c..34ff07c2cf14906e0cb1c837812569039532a851 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -5610,8 +5610,8 @@ void Document::updateHoverActiveState(const HitTestRequest& request, Element* in
         // (for instance by setting display:none in the :hover pseudo-class). In this case, the old hovered element (and its ancestors)
         // must be updated, to ensure it's normal style is re-applied.
         if (oldHoverNode && !oldHoverObj) {
-            for (Node* node = oldHoverNode; node; node = node->parentNode()) {
-                if (!mustBeInActiveChain || (node->isElementNode() && toElement(node)->inActiveChain()))
+            for (Node& node : NodeTraversal::ancestorsOrSelfOf(oldHoverNode)) {
+                if (!mustBeInActiveChain || (node.isElementNode() && toElement(node).inActiveChain()))
                     nodesToRemoveFromChain.append(node);
             }