Make DisplayItemClient an interface

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 2078 matching lines @@
     void operator() (GraphicsLayer* layer) const
     {
         IntRect visualRectOnLayer;
         if (visualRect) {
             visualRectOnLayer = enclosingIntRect(LayoutRect(visualRect->location() + subpixelAccumulation, visualRect->size()));
             visualRectOnLayer.move(-layer->offsetFromLayoutObject());
         }
         layer->invalidateDisplayItemClient(displayItemClient, invalidationReason, visualRect ? &visualRectOnLayer : nullptr);
     }
 
-    const DisplayItemClientWrapper& displayItemClient;
+    const DisplayItemClient& displayItemClient;
     PaintInvalidationReason invalidationReason;
     const LayoutRect* visualRect;
     LayoutSize subpixelAccumulation;
 };
 
-void CompositedLayerMapping::invalidateDisplayItemClient(const DisplayItemClientWrapper& displayItemClient, PaintInvalidationReason paintInvalidationReason, const LayoutRect* visualRect)
+void CompositedLayerMapping::invalidateDisplayItemClient(const DisplayItemClient& displayItemClient, PaintInvalidationReason paintInvalidationReason, const LayoutRect* visualRect)
 {
     InvalidateDisplayItemClientFunctor functor = { displayItemClient, paintInvalidationReason, visualRect, m_owningLayer.subpixelAccumulation() };
     ApplyToGraphicsLayers(this, functor, ApplyToContentLayers);
 }
 
-void CompositedLayerMapping::invalidateDisplayItemClientOnScrollingContentsLayer(const DisplayItemClientWrapper& displayItemClient, PaintInvalidationReason paintInvalidationReason, const LayoutRect* visualRect)
+void CompositedLayerMapping::invalidateDisplayItemClientOnScrollingContentsLayer(const DisplayItemClient& displayItemClient, PaintInvalidationReason paintInvalidationReason, const LayoutRect* visualRect)
 {
     InvalidateDisplayItemClientFunctor functor = { displayItemClient, paintInvalidationReason, visualRect, m_owningLayer.subpixelAccumulation() };
     ApplyToGraphicsLayers(this, functor, ApplyToScrollingContentsLayer);
 }
 
 const GraphicsLayerPaintInfo* CompositedLayerMapping::containingSquashedLayer(const LayoutObject* layoutObject, const Vector<GraphicsLayerPaintInfo>& layers, unsigned maxSquashedLayerIndex)
 {
     for (size_t i = 0; i < layers.size() && i < maxSquashedLayerIndex; ++i) {
         if (layoutObject->isDescendantOf(layers[i].paintLayer->layoutObject()))
             return &layers[i];
@@ skipping 443 matching lines @@
     } else if (graphicsLayer == m_scrollingBlockSelectionLayer.get()) {
         name = "Scrolling Block Selection Layer";
     } else {
         ASSERT_NOT_REACHED();
     }
 
     return name;
 }
 
 } // namespace blink