Made Blink tooltip ShadowDOM-aware

Source/core/rendering/HitTestResult.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 62 matching lines @@
 
     // The hit-tested point in the coordinates of the innerNode frame, the frame containing innerNode.
     const LayoutPoint& pointInInnerNodeFrame() const { return m_pointInInnerNodeFrame; }
     IntPoint roundedPointInInnerNodeFrame() const { return roundedIntPoint(pointInInnerNodeFrame()); }
     Frame* innerNodeFrame() const;
 
     // The hit-tested point in the coordinates of the inner node.
     const LayoutPoint& localPoint() const { return m_localPoint; }
     void setLocalPoint(const LayoutPoint& p) { m_localPoint = p; }
 
-    void setToNonShadowAncestor();
+    void setToNodesInDocumentTreeScope();
+    void setToShadowHostIfInUserAgentShadowRoot();
 
     const HitTestLocation& hitTestLocation() const { return m_hitTestLocation; }
 
     void setInnerNode(Node*);
     void setInnerNonSharedNode(Node*);
     void setURLElement(Element*);
     void setScrollbar(Scrollbar*);
     void setIsOverWidget(bool b) { m_isOverWidget = b; }
 
     Frame* targetFrame() const;
@@ skipping 54 matching lines @@
     bool m_isOverWidget; // Returns true if we are over a widget (and not in the border/padding area of a RenderWidget for example).
 
     mutable OwnPtr<NodeSet> m_rectBasedTestResult;
 };
 
 String displayString(const String&, const Node*);
 
 } // namespace WebCore
 
 #endif // HitTestResult_h