Implement a Hit Test Cache.

Source/core/layout/line/EllipsisBox.cpp

 /**
  * Copyright (C) 2003, 2006 Apple Computer, Inc.
  *
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 36 matching lines @@
 bool EllipsisBox::nodeAtPoint(HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit lineBottom)
 {
     // FIXME: the call to roundedLayoutPoint() below is temporary and should be removed once
     // the transition to LayoutUnit-based types is complete (crbug.com/321237)
     LayoutPoint adjustedLocation = accumulatedOffset + topLeft().roundedLayoutPoint();
 
     FloatPointWillBeLayoutPoint boxOrigin = locationIncludingFlipping();
     boxOrigin.moveBy(accumulatedOffset);
     FloatRectWillBeLayoutRect boundsRect(boxOrigin, size());
     if (visibleToHitTestRequest(result.hitTestRequest()) && boundsRect.intersects(FloatRectWillBeLayoutRect(HitTestLocation::rectForPoint(locationInContainer.point(), 0, 0, 0, 0)))) {
-        layoutObject().updateHitTestResult(result, locationInContainer.point() - toLayoutSize(adjustedLocation));
+        layoutObject().updateHitTestResult(result, locationInContainer.point() - toLayoutSize(adjustedLocation), boundsRect);
         // FIXME: the call to rawValue() below is temporary and should be removed once the transition
         // to LayoutUnit-based types is complete (crbug.com/321237)
         if (!result.addNodeToListBasedTestResult(layoutObject().node(), locationInContainer, boundsRect.rawValue()))
             return true;
     }
 
     return false;
 }
 
 const char* EllipsisBox::boxName() const
 {
     return "EllipsisBox";
 }
 
 } // namespace blink