Move highestAncestorOrSelf() from Node to NodeTraversal

Source/core/inspector/PageConsoleAgent.cpp

 /*
  * Copyright (C) 2011 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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/inspector/PageConsoleAgent.h"
 
 #include "core/dom/Node.h"
+#include "core/dom/NodeTraversal.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/inspector/InjectedScriptHost.h"
 #include "core/inspector/InjectedScriptManager.h"
 #include "core/inspector/InspectorDOMAgent.h"
 
 namespace blink {
 
 PageConsoleAgent::PageConsoleAgent(InjectedScriptManager* injectedScriptManager, InspectorDOMAgent* domAgent, InspectorTimelineAgent* timelineAgent)
     : InspectorConsoleAgent(timelineAgent, injectedScriptManager)
     , m_inspectorDOMAgent(domAgent)
@@ skipping 31 matching lines @@
 };
 
 void PageConsoleAgent::addInspectedNode(ErrorString* errorString, int nodeId)
 {
     Node* node = m_inspectorDOMAgent->nodeForId(nodeId);
     if (!node) {
         *errorString = "nodeId is not valid";
         return;
     }
     while (node->isInShadowTree()) {
-        Node& ancestor = node->highestAncestorOrSelf();
+        Node& ancestor = NodeTraversal::highestAncestorOrSelf(*node);
         if (!ancestor.isShadowRoot() || toShadowRoot(ancestor).type() == ShadowRoot::AuthorShadowRoot)
             break;
         // User agent shadow root, keep climbing up.
         node = toShadowRoot(ancestor).host();
     }
     m_injectedScriptManager->injectedScriptHost()->addInspectedObject(adoptPtr(new InspectableNode(node)));
 }
 
 } // namespace blink