Fix virtual/override/final usage in Source/core/layout/.

Source/core/layout/compositing/CompositedDeprecatedPaintLayerMapping.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 52 matching lines @@
 // GraphicsLayers of the composited layer tree. Each instance of CompositedDeprecatedPaintLayerMapping
 // manages a small cluster of GraphicsLayers and the references to which Layers
 // and paint phases contribute to each GraphicsLayer.
 //
 // Currently (Oct. 2013) there is one CompositedDeprecatedPaintLayerMapping for each Layer,
 // but this is likely to evolve soon.
 class CompositedDeprecatedPaintLayerMapping final : public GraphicsLayerClient {
     WTF_MAKE_NONCOPYABLE(CompositedDeprecatedPaintLayerMapping); WTF_MAKE_FAST_ALLOCATED(CompositedDeprecatedPaintLayerMapping);
 public:
     explicit CompositedDeprecatedPaintLayerMapping(DeprecatedPaintLayer&);
-    virtual ~CompositedDeprecatedPaintLayerMapping();
+    ~CompositedDeprecatedPaintLayerMapping() override;
 
     DeprecatedPaintLayer& owningLayer() const { return m_owningLayer; }
 
     bool updateGraphicsLayerConfiguration();
     void updateGraphicsLayerGeometry(const DeprecatedPaintLayer* compositingContainer, const DeprecatedPaintLayer* compositingStackingContext, Vector<DeprecatedPaintLayer*>& layersNeedingPaintInvalidation);
 
     // Update whether layer needs blending.
     void updateContentsOpaque();
 
     GraphicsLayer* mainGraphicsLayer() const { return m_graphicsLayer.get(); }
@@ skipping 49 matching lines @@
 
     // Returns true if the assignment actually changed the assigned squashing layer.
     bool updateSquashingLayerAssignment(DeprecatedPaintLayer* squashedLayer, const DeprecatedPaintLayer& owningLayer, size_t nextSquashedLayerIndex);
     void removeLayerFromSquashingGraphicsLayer(const DeprecatedPaintLayer*);
 
     void finishAccumulatingSquashingLayers(size_t nextSquashedLayerIndex);
     void updateRenderingContext();
     void updateShouldFlattenTransform();
 
     // GraphicsLayerClient interface
-    virtual void notifyAnimationStarted(const GraphicsLayer*, double monotonicTime, int group) override;
-    virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPaintingPhase, const IntRect& clip) override;
-    virtual bool isTrackingPaintInvalidations() const override;
+    void notifyAnimationStarted(const GraphicsLayer*, double monotonicTime, int group) override;
+    void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPaintingPhase, const IntRect& clip) override;
+    bool isTrackingPaintInvalidations() const override;
 
 #if ENABLE(ASSERT)
-    virtual void verifyNotPainting() override;
+    void verifyNotPainting() override;
 #endif
 
     LayoutRect contentsBox() const;
 
     GraphicsLayer* layerForHorizontalScrollbar() const { return m_layerForHorizontalScrollbar.get(); }
     GraphicsLayer* layerForVerticalScrollbar() const { return m_layerForVerticalScrollbar.get(); }
     GraphicsLayer* layerForScrollCorner() const { return m_layerForScrollCorner.get(); }
 
     // Returns true if the overflow controls cannot be positioned within this
     // CLM's internal hierarchy without incorrectly stacking under some
@@ skipping 14 matching lines @@
     bool needsGraphicsLayerUpdate() { return m_pendingUpdateScope > GraphicsLayerUpdateNone; }
     void setNeedsGraphicsLayerUpdate(GraphicsLayerUpdateScope scope) { m_pendingUpdateScope = std::max(static_cast<GraphicsLayerUpdateScope>(m_pendingUpdateScope), scope); }
     void clearNeedsGraphicsLayerUpdate() { m_pendingUpdateScope = GraphicsLayerUpdateNone; }
 
     GraphicsLayerUpdater::UpdateType updateTypeForChildren(GraphicsLayerUpdater::UpdateType) const;
 
 #if ENABLE(ASSERT)
     void assertNeedsToUpdateGraphicsLayerBitsCleared() {  ASSERT(m_pendingUpdateScope == GraphicsLayerUpdateNone); }
 #endif
 
-    virtual String debugName(const GraphicsLayer*) override;
+    String debugName(const GraphicsLayer*) override;
 
     LayoutSize contentOffsetInCompositingLayer() const;
 
     LayoutPoint squashingOffsetFromTransformedAncestor()
     {
         return m_squashingLayerOffsetFromTransformedAncestor;
     }
 
     // If there is a squashed layer painting into this CLM that is an ancestor of the given LayoutObject, return it. Otherwise return nullptr.
     const GraphicsLayerPaintInfo* containingSquashedLayer(const LayoutObject*, unsigned maxSquashedLayerIndex);
@@ skipping 222 matching lines @@
     unsigned m_pendingUpdateScope : 2;
     unsigned m_isMainFrameLayoutViewLayer : 1;
 
     unsigned m_backgroundLayerPaintsFixedRootBackground : 1;
     unsigned m_scrollingContentsAreEmpty : 1;
 };
 
 } // namespace blink
 
 #endif // CompositedDeprecatedPaintLayerMapping_h