Slimming Paint phase 2 compositing algorithm plumbing & skeleton display list API.

Source/web/LinkHighlight.h

 /*
  * Copyright (C) 2012 Google 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
@@ skipping 12 matching lines @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef LinkHighlight_h
 #define LinkHighlight_h
 
 #include "platform/geometry/FloatPoint.h"
 #include "platform/geometry/IntPoint.h"
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/graphics/Path.h"
+#include "platform/graphics/paint/DisplayItemClient.h"
 #include "public/platform/WebCompositorAnimationDelegate.h"
 #include "public/platform/WebContentLayer.h"
 #include "public/platform/WebContentLayerClient.h"
 #include "public/platform/WebLayer.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
+class DisplayItemList;
 class LayoutBoxModelObject;
 class Node;
 struct WebRect;
 class WebViewImpl;
 
 class LinkHighlight final : public WebContentLayerClient, public WebCompositorAnimationDelegate, LinkHighlightClient {
 public:
     static PassOwnPtr<LinkHighlight> create(Node*, WebViewImpl*);
     ~LinkHighlight() override;
 
@@ skipping 10 matching lines @@
     void notifyAnimationStarted(double monotonicTime, int group) override;
     void notifyAnimationFinished(double monotonicTime, int group) override;
 
     // LinkHighlightClient implementation.
     void invalidate() override;
     WebLayer* layer() override;
     void clearCurrentGraphicsLayer() override;
 
     GraphicsLayer* currentGraphicsLayerForTesting() const { return m_currentGraphicsLayer; }
 
+
 private:
     LinkHighlight(Node*, WebViewImpl*);
 
     void releaseResources();
     void computeQuads(const Node&, WTF::Vector<FloatQuad>&) const;
 
     void attachLinkHighlightToCompositingLayer(const LayoutBoxModelObject* paintInvalidationContainer);
     void clearGraphicsLayerLinkHighlightPointer();
     // This function computes the highlight path, and returns true if it has changed
     // size since the last call to this function.
     bool computeHighlightLayerPathAndPosition(const LayoutBoxModelObject*);
 
     OwnPtr<WebContentLayer> m_contentLayer;
     OwnPtr<WebLayer> m_clipLayer;
     Path m_path;
 
     RefPtrWillBePersistent<Node> m_node;
     WebViewImpl* m_owningWebViewImpl;
     GraphicsLayer* m_currentGraphicsLayer;
 
     bool m_geometryNeedsUpdate;
     bool m_isAnimating;
     double m_startTime;
 };
 
 } // namespace blink
 
 #endif