Delete InvalidationReason.

sky/engine/core/rendering/RenderBox.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2006, 2007 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 516 matching lines @@
     virtual bool shouldComputeSizeAsReplaced() const { return isReplaced() && !isInlineBlock(); }
 
     virtual void mapLocalToContainer(const RenderLayerModelObject* paintInvalidationContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, const PaintInvalidationState* = 0) const override;
 
     void paintRootBoxFillLayers(const PaintInfo&);
 
     RenderObject* splitAnonymousBoxesAroundChild(RenderObject* beforeChild);
 
     void updateIntrinsicContentLogicalHeight(LayoutUnit intrinsicContentLogicalHeight) const { m_intrinsicContentLogicalHeight = intrinsicContentLogicalHeight; }
 
-    virtual InvalidationReason getPaintInvalidationReason(const RenderLayerModelObject& paintInvalidationContainer,
-        const LayoutRect& oldBounds, const LayoutPoint& oldPositionFromPaintInvalidationContainer,
-        const LayoutRect& newBounds, const LayoutPoint& newPositionFromPaintInvalidationContainer) override;
-
     virtual void clearPaintInvalidationState(const PaintInvalidationState&) override;
 #if ENABLE(ASSERT)
     virtual bool paintInvalidationStateIsDirty() const override;
 #endif
 
 private:
     void shrinkToFitWidth(const LayoutUnit availableSpace, const LayoutUnit logicalLeftValue, const LayoutUnit bordersPlusPadding, LogicalExtentComputedValues&) const;
 
     // Returns true if we queued up a paint invalidation.
     bool paintInvalidationLayerRectsForImage(WrappedImagePtr, const FillLayer&, bool drawingBackground);
@@ skipping 103 matching lines @@
         if (UNLIKELY(inlineBoxWrapper() != 0))
             deleteLineBoxWrapper();
     }
 
     ensureRareData().m_inlineBoxWrapper = boxWrapper;
 }
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_RENDERING_RENDERBOX_H_