SPv2: Add support for tracking raster paint invalidations in testing.

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

 /*
  * 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 184 matching lines @@
   IntRect computeInterestRect(
       const GraphicsLayer*,
       const IntRect& previousInterestRect) const override;
   LayoutSize subpixelAccumulation() const final;
   bool needsRepaint(const GraphicsLayer&) const override;
   void paintContents(const GraphicsLayer*,
                      GraphicsContext&,
                      GraphicsLayerPaintingPhase,
                      const IntRect& interestRect) const override;
 
-  bool isTrackingPaintInvalidations() const override;
+  bool isTrackingRasterInvalidations() const override;
 
 #if ENABLE(ASSERT)
   void verifyNotPainting() override;
 #endif
 
   LayoutRect contentsBox() const;
 
   GraphicsLayer* layerForHorizontalScrollbar() const {
     return m_layerForHorizontalScrollbar.get();
   }
@@ skipping 389 matching lines @@
 
   // Keep track of whether the background is painted onto the scrolling contents layer for invalidations.
   unsigned m_backgroundPaintsOntoScrollingContentsLayer : 1;
 
   friend class CompositedLayerMappingTest;
 };
 
 }  // namespace blink
 
 #endif  // CompositedLayerMapping_h