Fix border radius on composited children.

third_party/WebKit/Source/core/paint/PaintLayerClipper.h

 /*
  * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
@@ skipping 148 matching lines @@
     // Returns the background clip rect of the layer in the local coordinate space. Only looks for clips up to the given ancestor.
     LayoutRect localClipRect(const PaintLayer* ancestorLayer) const;
 
     ClipRect backgroundClipRect(const ClipRectsContext&) const;
 
     // This method figures out our layerBounds in coordinates relative to
     // |rootLayer|. It also computes our background and foreground clip rects
     // for painting/event handling.
     // Pass offsetFromRoot if known.
     void calculateRects(const ClipRectsContext&, const LayoutRect& paintDirtyRect, LayoutRect& layerBounds,
-        ClipRect& backgroundRect, ClipRect& foregroundRect, const LayoutPoint* offsetFromRoot = 0) const;
+        ClipRect& backgroundRect, ClipRect& foregroundRect, const LayoutPoint* offsetFromRoot = 0,
+        const bool addAncestorClips = false) const;
 
     ClipRects& paintingClipRects(const PaintLayer* rootLayer, ShouldRespectOverflowClipType, const LayoutSize& subpixelAccumulation) const;
 
 private:
     ClipRects& getClipRects(const ClipRectsContext&) const;
 
     void calculateClipRects(const ClipRectsContext&, ClipRects&) const;
     ClipRects* clipRectsIfCached(const ClipRectsContext&) const;
     ClipRects& storeClipRectsInCache(const ClipRectsContext&, ClipRects* parentClipRects, const ClipRects&) const;
 
     void getOrCalculateClipRects(const ClipRectsContext&, ClipRects&) const;
 
     bool shouldRespectOverflowClip(const ClipRectsContext&) const;
 
     const PaintLayer& m_layer;
 };
 
 } // namespace blink
 
 #endif // LayerClipper_h