Made Blink tooltip ShadowDOM-aware

Source/core/inspector/InspectorDOMAgent.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 161 matching lines @@
 }
 
 static Node* hoveredNodeForPoint(Frame* frame, const IntPoint& point, bool ignorePointerEventsNone)
 {
     HitTestRequest::HitTestRequestType hitType = HitTestRequest::Move | HitTestRequest::ReadOnly | HitTestRequest::AllowChildFrameContent;
     if (ignorePointerEventsNone)
         hitType |= HitTestRequest::IgnorePointerEventsNone;
     HitTestRequest request(hitType);
     HitTestResult result(frame->view()->windowToContents(point));
     frame->contentRenderer()->hitTest(request, result);
-    result.setToNonShadowAncestor();
+    result.setToShadowHostIfInUserAgentShadowRoot();
     Node* node = result.innerNode();
     while (node && node->nodeType() == Node::TEXT_NODE)
         node = node->parentNode();
     return node;
 }
 
 static Node* hoveredNodeForEvent(Frame* frame, const PlatformMouseEvent& event, bool ignorePointerEventsNone)
 {
     return hoveredNodeForPoint(frame, event.position(), ignorePointerEventsNone);
 }
@@ skipping 1637 matching lines @@
 
     InjectedScript injectedScript = m_injectedScriptManager->injectedScriptFor(mainWorldScriptState(frame));
     if (injectedScript.hasNoValue())
         return 0;
 
     return injectedScript.wrapNode(node, objectGroup);
 }
 
 } // namespace WebCore