Land layer squashing behind a flag

Source/core/rendering/RenderLayerClipper.cpp

Index: Source/core/rendering/RenderLayerClipper.cpp
diff --git a/Source/core/rendering/RenderLayerClipper.cpp b/Source/core/rendering/RenderLayerClipper.cpp
index afc8d2a0fecab40822893c985fcb50a6a7c3e8a2..f14aa06ee27047aaedba678b4c65eec5d7bf9e82 100644
--- a/Source/core/rendering/RenderLayerClipper.cpp
+++ b/Source/core/rendering/RenderLayerClipper.cpp
@@ -54,6 +54,7 @@ void RenderLayerClipper::updateClipRects(const ClipRectsContext& clipRectsContex
     ClipRectsType clipRectsType = clipRectsContext.clipRectsType;
     ASSERT(clipRectsType < NumCachedClipRectsTypes);
     if (m_clipRectsCache && m_clipRectsCache->getClipRects(clipRectsType, clipRectsContext.respectOverflowClip)) {
+        // FIXME: these asserts trigger for squashing. Need to update this code to support squashing as appropriate.
         ASSERT(clipRectsContext.rootLayer == m_clipRectsCache->m_clipRectsRoot[clipRectsType]);
         ASSERT(m_clipRectsCache->m_scrollbarRelevancy[clipRectsType] == clipRectsContext.overlayScrollbarSizeRelevancy);