Revert "Don't invalidate scrolling container layer when scrolling contents need invalidation"

Source/core/rendering/compositing/CompositedLayerMapping.h

Index: Source/core/rendering/compositing/CompositedLayerMapping.h
diff --git a/Source/core/rendering/compositing/CompositedLayerMapping.h b/Source/core/rendering/compositing/CompositedLayerMapping.h
index fc6f0e0f030be34707856507a5a9269fed854acf..dae7e4111ee76d55fb38fec960d0352863131c78 100644
--- a/Source/core/rendering/compositing/CompositedLayerMapping.h
+++ b/Source/core/rendering/compositing/CompositedLayerMapping.h
@@ -134,11 +134,6 @@ public:
     // r is in the coordinate space of the layer's render object
     void setContentsNeedDisplayInRect(const LayoutRect&, PaintInvalidationReason);
 
-    void setScrollingContentsNeedDisplay();
-    // FIXME: Temporarily the rect is in the coordinate space of the scrolling container layer.
-    // Will make it in the coordinate space of the scrolling contents layer. crbug.com/416539.
-    void setScrollingContentsNeedDisplayInRect(const LayoutRect&, PaintInvalidationReason);
-
     // Notification from the renderer that its content changed.
     void contentChanged(ContentChangeType);