Don't paint below image's baseline unless it is selected.

Source/core/rendering/RenderBox.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 1953 matching lines @@
         ASSERT(m_rareData);
         m_rareData->m_inlineBoxWrapper = 0;
     }
 }
 
 LayoutRect RenderBox::clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const
 {
     if (style()->visibility() != VISIBLE && !enclosingLayer()->hasVisibleContent())
         return LayoutRect();
 
-    LayoutRect r = visualOverflowRect();
+    LayoutRect r = overflowRectForRepaint();
 
     RenderView* v = view();
     if (!RuntimeEnabledFeatures::repaintAfterLayoutEnabled() && v) {
         // FIXME: layoutDelta needs to be applied in parts before/after transforms and
         // repaint containers. https://bugs.webkit.org/show_bug.cgi?id=23308
         r.move(v->layoutDelta());
     }
 
     computeRectForRepaint(repaintContainer, r);
     return r;
@@ skipping 2677 matching lines @@
         return 0;
 
     if (!layoutState && !flowThreadContainingBlock())
         return 0;
 
     RenderBlock* containerBlock = containingBlock();
     return containerBlock->offsetFromLogicalTopOfFirstPage() + logicalTop();
 }
 
 } // namespace WebCore