Add GraphicsLayerDebugInfo::includesNewPaintInvalidation to distinguish paint from new RenderObjects

Source/core/frame/FrameView.h

Index: Source/core/frame/FrameView.h
diff --git a/Source/core/frame/FrameView.h b/Source/core/frame/FrameView.h
index eb1b5f54e4283f94d42fa6f735bd6d138299f41a..f02132a4677a1dcf57620074d4d280dabed6d55d 100644
--- a/Source/core/frame/FrameView.h
+++ b/Source/core/frame/FrameView.h
@@ -404,6 +404,8 @@ private:
         return !isInPerformLayout() || canInvalidatePaintDuringPerformLayout();
     }
 
+    void resetFirstPaintInvalidationFlag(RenderObject* layoutRoot);
+
     static double s_currentFrameTimeStamp; // used for detecting decoded resource thrash in the cache
     static bool s_inPaintContents;