Apply SVG root viewport clips in PaintLayerClipper.

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 56 matching lines @@
         , overlayScrollbarClipBehavior(overlayScrollbarClipBehavior)
         , m_cacheSlot(slot)
         , subPixelAccumulation(accumulation)
         , respectOverflowClip(slot == PaintingClipRectsIgnoringOverflowClip ? IgnoreOverflowClip : RespectOverflowClip)
         , respectOverflowClipForViewport(slot == RootRelativeClipRectsIgnoringViewportClip ? IgnoreOverflowClip : RespectOverflowClip)
     {
     }
 
     void setIgnoreOverflowClip()
     {
-        ASSERT(!usesCache() || m_cacheSlot == PaintingClipRects);
-        ASSERT(respectOverflowClip == RespectOverflowClip);
+        DCHECK(!usesCache() || m_cacheSlot == PaintingClipRects);
+        DCHECK(respectOverflowClip == RespectOverflowClip);
         if (usesCache())
             m_cacheSlot = PaintingClipRectsIgnoringOverflowClip;
         respectOverflowClip = IgnoreOverflowClip;
     }
 
     bool usesCache() const
     {
         return m_cacheSlot != UncachedClipRects;
     }
 
@@ skipping 91 matching lines @@
     void getOrCalculateClipRects(const ClipRectsContext&, ClipRects&) const;
 
     bool shouldRespectOverflowClip(const ClipRectsContext&) const;
 
     const PaintLayer& m_layer;
 };
 
 } // namespace blink
 
 #endif // LayerClipper_h