Clip accelerated descendants of an accelerated layer having border radius and clip overflow

Source/core/rendering/RenderBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. 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
  * License as published by the Free Software Foundation; either
@@ skipping 2142 matching lines @@
             paintBoxDecorations(paintInfo, paintOffset);
         if (hasColumns() && !paintInfo.paintRootBackgroundOnly())
             paintColumnRules(paintInfo, scrolledOffset);
     }
 
     if (paintPhase == PaintPhaseMask && style()->visibility() == VISIBLE) {
         paintMask(paintInfo, paintOffset);
         return;
     }
 
+    if (paintPhase == PaintPhaseClippingMask && style()->visibility() == VISIBLE) {
+        paintClippingMask(paintInfo, paintOffset);
+        return;
+    }
+
     // We're done.  We don't bother painting any children.
     if (paintPhase == PaintPhaseBlockBackground || paintInfo.paintRootBackgroundOnly())
         return;
 
     // 2. paint contents
     if (paintPhase != PaintPhaseSelfOutline) {
         if (hasColumns())
             paintColumnContents(paintInfo, scrolledOffset);
         else
             paintContents(paintInfo, scrolledOffset);
@@ skipping 3610 matching lines @@
 void RenderBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* markedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const RenderObject* obj) const
 {
     showRenderObject();
     for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRootBox())
         root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLabel2, obj, 1);
 }
 
 #endif
 
 } // namespace WebCore