Expose fractional TouchEvent coordinates

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 159 matching lines @@
 static Node* hoveredNodeForEvent(LocalFrame* frame, const PlatformMouseEvent& event, bool ignorePointerEventsNone)
 {
     return hoveredNodeForPoint(frame, event.position(), ignorePointerEventsNone);
 }
 
 static Node* hoveredNodeForEvent(LocalFrame* frame, const PlatformTouchEvent& event, bool ignorePointerEventsNone)
 {
     const Vector<PlatformTouchPoint>& points = event.touchPoints();
     if (!points.size())
         return 0;
-    return hoveredNodeForPoint(frame, points[0].pos(), ignorePointerEventsNone);
+    return hoveredNodeForPoint(frame, roundedIntPoint(points[0].pos()), ignorePointerEventsNone);
 }
 
 class RevalidateStyleAttributeTask {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     RevalidateStyleAttributeTask(InspectorDOMAgent*);
     void scheduleFor(Element*);
     void reset() { m_timer.stop(); }
     void onTimer(Timer<RevalidateStyleAttributeTask>*);
 
@@ skipping 1901 matching lines @@
     if (!m_documentNodeToIdMap.contains(m_document)) {
         RefPtr<TypeBuilder::DOM::Node> root;
         getDocument(errorString, root);
         return errorString->isEmpty();
     }
     return true;
 }
 
 } // namespace WebCore