Set relayoutChildren to 'true' only if size change happens in Table

Source/core/rendering/RenderLayer.h

Index: Source/core/rendering/RenderLayer.h
diff --git a/Source/core/rendering/RenderLayer.h b/Source/core/rendering/RenderLayer.h
index ed86a0c6dd4c85956900d5dc01c66957e3cef676..ce9b6f99c04e527722eab491a066a578ed226bc4 100644
--- a/Source/core/rendering/RenderLayer.h
+++ b/Source/core/rendering/RenderLayer.h
@@ -287,11 +287,7 @@ public:
     CompositedLayerMapping* ensureCompositedLayerMapping();
     GraphicsLayer* graphicsLayerBacking() const;
     GraphicsLayer* graphicsLayerBackingForScrolling() const;
-    // NOTE: If you are using hasCompositedLayerMapping to determine the state of compositing for this layer,
-    // (and not just to do bookkeeping related to the mapping like, say, allocating or deallocating a mapping),
-    // then you may have incorrect logic. Use compositingState() instead.
-    // FIXME: This is identical to null checking compositedLayerMapping(), why not just call that?
-    bool hasCompositedLayerMapping() const { return m_compositedLayerMapping.get(); }
+
     void clearCompositedLayerMapping(bool layerBeingDestroyed = false);
     CompositedLayerMapping* groupedMapping() const { return m_groupedMapping; }
     void setGroupedMapping(CompositedLayerMapping* groupedMapping, bool layerBeingDestroyed = false);