Implement elementsFromPoint

Source/core/rendering/RenderImage.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011-2012. All rights reserved.
  *
@@ skipping 293 matching lines @@
             LayoutRect contentBox = contentBoxRect();
             float scaleFactor = 1 / style()->effectiveZoom();
             LayoutPoint mapLocation = locationInContainer.point() - toLayoutSize(accumulatedOffset) - locationOffset() - toLayoutSize(contentBox.location());
             mapLocation.scale(scaleFactor, scaleFactor);
 
             if (map->mapMouseEvent(mapLocation, contentBox.size(), tempResult))
                 tempResult.setInnerNonSharedNode(node());
         }
     }
 
-    if (!inside && result.isRectBasedTest())
+    ASSERT(!result.isRectBasedTest() || request.listBased());
+    if (!inside && request.listBased())
         result.append(tempResult);
     if (inside)
         result = tempResult;
     return inside;
 }
 
 void RenderImage::layout()
 {
     RenderReplaced::layout();
     updateInnerContentRect();
@@ skipping 63 matching lines @@
         return 0;
 
     ImageResource* cachedImage = m_imageResource->cachedImage();
     if (cachedImage && cachedImage->image() && cachedImage->image()->isSVGImage())
         return toSVGImage(cachedImage->image())->embeddedContentBox();
 
     return 0;
 }
 
 } // namespace blink