(WIP) Invalidation during painting (for synchronized painting)

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/paint/VideoPainter.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/FrameView.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/layout/LayoutVideo.h"
@@ skipping 19 matching lines @@
 
     GraphicsContext& context = paintInfo.context;
     LayoutRect contentRect = m_layoutVideo.contentBoxRect();
     contentRect.moveBy(paintOffset);
 
     Optional<ClipRecorder> clipRecorder;
     if (!contentRect.contains(rect)) {
         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;
 
     if (displayingPoster || !forceSoftwareVideoPaint) {
         // This will display the poster image, if one is present, and otherwise paint nothing.
         ImagePainter(m_layoutVideo).paintIntoRect(context, rect);
     } else {
         SkPaint videoPaint = context.fillPaint();
         videoPaint.setColor(SK_ColorBLACK);
         m_layoutVideo.videoElement()->paintCurrentFrame(context.canvas(), pixelSnappedIntRect(rect), &videoPaint);
     }
 }
 
 } // namespace blink