Enable paint invalidation container ASSERT

Source/core/rendering/RenderLayer.cpp

Index: Source/core/rendering/RenderLayer.cpp
diff --git a/Source/core/rendering/RenderLayer.cpp b/Source/core/rendering/RenderLayer.cpp
index ea83bc9e465458e5b59d3e73b430a8b72a3eb3e3..aa16359e4bf5cb56ef3f2724b7d473f3cf0dd03c 100644
--- a/Source/core/rendering/RenderLayer.cpp
+++ b/Source/core/rendering/RenderLayer.cpp
@@ -1016,7 +1016,7 @@ RenderLayer* RenderLayer::enclosingLayerForPaintInvalidation() const
     if (isPaintInvalidationContainer())
         return const_cast<RenderLayer*>(this);
 
-    for (const RenderLayer* curr = compositingContainer(); curr; curr = curr->compositingContainer()) {
+    for (const RenderLayer* curr = parent(); curr; curr = curr->parent()) {
         if (curr->isPaintInvalidationContainer())
             return const_cast<RenderLayer*>(curr);
     }