(WIP) Invalidation during painting (for synchronized painting)

third_party/WebKit/Source/core/paint/VideoPainter.cpp

Index: third_party/WebKit/Source/core/paint/VideoPainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/VideoPainter.cpp b/third_party/WebKit/Source/core/paint/VideoPainter.cpp
index 56a9f4f97a28f86f25b884cc46c7ab8ff7b01fec..57f23eb95c088d67665cd301ff897bb2a5f0652f 100644
--- a/third_party/WebKit/Source/core/paint/VideoPainter.cpp
+++ b/third_party/WebKit/Source/core/paint/VideoPainter.cpp
@@ -37,10 +37,10 @@ void VideoPainter::paintReplaced(const PaintInfo& paintInfo, const LayoutPoint&
         clipRecorder.emplace(context, m_layoutVideo, paintInfo.displayItemTypeForClipping(), contentRect);
     }
 
-    if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(context, m_layoutVideo, paintInfo.phase, paintOffset))
+    if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(context, m_layoutVideo, paintInfo.phase))
         return;
 
-    LayoutObjectDrawingRecorder drawingRecorder(context, m_layoutVideo, paintInfo.phase, contentRect, paintOffset);
+    LayoutObjectDrawingRecorder drawingRecorder(context, m_layoutVideo, paintInfo.phase, contentRect);
 
     // Video frames are only painted in software for printing or capturing node images via web APIs.
     bool forceSoftwareVideoPaint = paintInfo.globalPaintFlags() & GlobalPaintFlattenCompositingLayers;