Delete CompositingUpdateAfterLayout

Source/core/rendering/compositing/RenderLayerCompositor.h

Index: Source/core/rendering/compositing/RenderLayerCompositor.h
diff --git a/Source/core/rendering/compositing/RenderLayerCompositor.h b/Source/core/rendering/compositing/RenderLayerCompositor.h
index 09b76c33d4228f614cfab75d46422269f7159b05..a8345d8e9a697a7307d32486ce8b442284638645 100644
--- a/Source/core/rendering/compositing/RenderLayerCompositor.h
+++ b/Source/core/rendering/compositing/RenderLayerCompositor.h
@@ -49,7 +49,6 @@ enum CompositingUpdateType {
     CompositingUpdateNone,
     CompositingUpdateOnCompositedScroll,
     CompositingUpdateAfterCompositingInputChange,
-    CompositingUpdateAfterLayout,
 };
 
 enum CompositingStateTransitionType {
@@ -102,6 +101,8 @@ public:
     // Used to indicate that a compositing update will be needed for the next frame that gets drawn.
     void setNeedsCompositingUpdate(CompositingUpdateType);
 
+    void didLayout();
+
     enum UpdateLayerCompositingStateOptions {
         Normal,
         UseChickenEggHacks, // Use this to trigger temporary chicken-egg hacks. See crbug.com/339892.