Promote inlines to first-class invalidation citizens

Source/core/rendering/RenderLayerModelObject.h

Index: Source/core/rendering/RenderLayerModelObject.h
diff --git a/Source/core/rendering/RenderLayerModelObject.h b/Source/core/rendering/RenderLayerModelObject.h
index e81abd3d3376c9df97993001dc6778fb95fbd16e..8459b505bb257ad04b1f5be59aa69412ccce21b4 100644
--- a/Source/core/rendering/RenderLayerModelObject.h
+++ b/Source/core/rendering/RenderLayerModelObject.h
@@ -66,6 +66,7 @@ public:
     // This is null for anonymous renderers.
     ContainerNode* node() const { return toContainerNode(RenderObject::node()); }
 
+    virtual void invalidateTreeIfNeeded(const PaintInvalidationState&) OVERRIDE;
 protected:
     void createLayer(LayerType);
 
@@ -73,6 +74,7 @@ protected:
 
     virtual void addLayerHitTestRects(LayerHitTestRects&, const RenderLayer*, const LayoutPoint&, const LayoutRect&) const OVERRIDE;
 
+    virtual InvalidationReason invalidatePaintIfNeeded(const PaintInvalidationState&, const RenderLayerModelObject& newPaintInvalidationContainer);
 private:
     virtual bool isLayerModelObject() const OVERRIDE FINAL { return true; }