Fix first paint tracking for SPv2

third_party/WebKit/Source/platform/graphics/GraphicsLayerClient.h

 /*
  * Copyright (C) 2009 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 54 matching lines @@
   // (excluding the root) as a layer list, in paint (preorder) order.
   OutputAsLayerTree = 1 << 6,
 };
 typedef unsigned LayerTreeFlags;
 
 class PLATFORM_EXPORT GraphicsLayerClient {
  public:
   virtual ~GraphicsLayerClient() {}
 
   virtual void invalidateTargetElementForTesting() {}
-  virtual void notifyPaint(bool isFirstPaint,
-                           bool textPainted,
-                           bool imagePainted) {}
 
   virtual IntRect computeInterestRect(
       const GraphicsLayer*,
       const IntRect& previousInterestRect) const = 0;
   virtual LayoutSize subpixelAccumulation() const { return LayoutSize(); }
   // Returns whether the client needs to be repainted with respect to the given
   // graphics layer.
   virtual bool needsRepaint(const GraphicsLayer&) const = 0;
   virtual void paintContents(const GraphicsLayer*,
                              GraphicsContext&,
@@ skipping 10 matching lines @@
   // This is executed in GraphicsLayer construction and destruction
   // to verify that we don't create or destroy GraphicsLayers
   // while painting.
   virtual void verifyNotPainting() {}
 #endif
 };
 
 }  // namespace blink
 
 #endif  // GraphicsLayerClient_h