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

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

Index: third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
index 2baa0920fbaf765e7f5b7b761280d412f670c0fd..3a0093e533d96f9ae2fb83c3bbc9f072a9bf96aa 100644
--- a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
+++ b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
@@ -1651,15 +1651,15 @@ void WebLocalFrameImpl::setFindEndstateFocusAndSelection()
                     node = host;
             }
         }
-        for (; node; node = node->parentNode()) {
-            if (!node->isElementNode())
+        for (Node& runner : NodeTraversal::ancestorsOrSelfOf(node)) {
+            if (!runner.isElementNode())
                 continue;
-            Element* element = toElement(node);
-            if (element->isFocusable()) {
+            Element& element = toElement(runner);
+            if (element.isFocusable()) {
                 // Found a focusable parent node. Set the active match as the
                 // selection and focus to the focusable node.
                 frame()->selection().setSelection(VisibleSelection(EphemeralRange(activeMatch)));
-                frame()->document()->setFocusedElement(element, FocusParams(SelectionBehaviorOnFocus::None, WebFocusTypeNone, nullptr));
+                frame()->document()->setFocusedElement(&element, FocusParams(SelectionBehaviorOnFocus::None, WebFocusTypeNone, nullptr));
                 return;
             }
         }