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

third_party/WebKit/Source/core/page/TouchDisambiguation.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 101 matching lines @@
             if (!containerNode)
                 continue;
             if (!blackList.add(containerNode).isNewEntry)
                 break;
         }
     }
 
     HeapHashMap<Member<Node>, TouchTargetData> touchTargets;
     float bestScore = 0;
     for (const auto& hitResult : hitResults) {
-        for (Node* node = hitResult.get(); node; node = node->parentNode()) {
-            if (blackList.contains(node))
+        if (!hitResult)
+            continue;
+        for (Node& node : NodeTraversal::inclusiveAncestorsOf(*hitResult)) {
+            if (blackList.contains(&node))
                 continue;
-            if (node->isDocumentNode() || isHTMLHtmlElement(*node) || isHTMLBodyElement(*node))
+            if (node.isDocumentNode() || isHTMLHtmlElement(node) || isHTMLBodyElement(node))
                 break;
-            if (node->willRespondToMouseClickEvents()) {
-                TouchTargetData& targetData = touchTargets.add(node, TouchTargetData()).storedValue->value;
-                targetData.windowBoundingBox = boundingBoxForEventNodes(node);
+            if (node.willRespondToMouseClickEvents()) {
+                TouchTargetData& targetData = touchTargets.add(&node, TouchTargetData()).storedValue->value;
+                targetData.windowBoundingBox = boundingBoxForEventNodes(&node);
                 targetData.score = scoreTouchTarget(touchPoint, touchPointPadding, targetData.windowBoundingBox);
                 bestScore = std::max(bestScore, targetData.score);
                 break;
             }
         }
     }
 
     for (const auto& touchTarget : touchTargets) {
         // Currently the scoring function uses the overlap area with the fat point as the score.
         // We ignore the candidates that has less than 1/2 overlap (we consider not really ambiguous enough) than the best candidate to avoid excessive popups.
         if (touchTarget.value.score < bestScore * 0.5)
             continue;
         goodTargets.append(touchTarget.value.windowBoundingBox);
         highlightNodes.append(touchTarget.key);
     }
 }
 
 } // namespace blink