Make cc/paint have concrete types

third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.cpp

 /*
  * Copyright (C) 2009, 2010, 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 3268 matching lines @@
     ScrollableAreaPainter(*scrollableArea)
         .paintResizer(builder.context(), -scrollCornerAndResizerLocation,
                       cullRect);
   }
   // Replay the painted scrollbar content with the GraphicsLayer backing as the
   // DisplayItemClient in order for the resulting DrawingDisplayItem to produce
   // the correct visualRect (i.e., the bounds of the involved GraphicsLayer).
   DrawingRecorder drawingRecorder(context, *graphicsLayer,
                                   DisplayItem::kScrollbarCompositedScrollbar,
                                   layerBounds);
-  builder.endRecording()->playback(context.canvas());
+  context.canvas()->drawPicture(builder.endRecording());
 }
 
 bool CompositedLayerMapping::isScrollableAreaLayer(
     const GraphicsLayer* graphicsLayer) const {
   return graphicsLayer == layerForHorizontalScrollbar() ||
          graphicsLayer == layerForVerticalScrollbar() ||
          graphicsLayer == layerForScrollCorner();
 }
 
 bool CompositedLayerMapping::isTrackingRasterInvalidations() const {
@@ skipping 187 matching lines @@
   } else if (graphicsLayer == m_decorationOutlineLayer.get()) {
     name = "Decoration Layer";
   } else {
     ASSERT_NOT_REACHED();
   }
 
   return name;
 }
 
 }  // namespace blink