Add GraphicsLayerDebugInfo::includesNewPaintInvalidation to distinguish paint from new RenderObjects

Source/platform/graphics/GraphicsLayer.h

Index: Source/platform/graphics/GraphicsLayer.h
diff --git a/Source/platform/graphics/GraphicsLayer.h b/Source/platform/graphics/GraphicsLayer.h
index 3f800ea1cc3a75eb229208307c926249ea59e2cf..149cc626af3880f8d913c3a4aeb2b68aa5233797 100644
--- a/Source/platform/graphics/GraphicsLayer.h
+++ b/Source/platform/graphics/GraphicsLayer.h
@@ -184,6 +184,8 @@ public:
     void setNeedsDisplay();
     // mark the given rect (in layer coords) as needing dispay. Never goes deep.
     void setNeedsDisplayInRect(const FloatRect&);
+    void setIncludesFirstPaintInvalidation();
+    void resetIncludesFirstPaintInvalidationRecursive();
 
     void setContentsNeedsDisplay();