(NOT FOR COMMIT) Testing layer invalidation speedups.

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

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. 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 48 matching lines @@
 class FloatRect;
 class Image;
 class LinkHighlight;
 class JSONObject;
 class PaintController;
 class ScrollableArea;
 class WebLayer;
 
 typedef Vector<GraphicsLayer*, 64> GraphicsLayerVector;
 
+struct NeedsDisplayRecord {
+    IntRect r;
+    PaintInvalidationReason invalidationReason;
+    const DisplayItemClient& client;
+};
+
 // GraphicsLayer is an abstraction for a rendering surface with backing store,
 // which may have associated transformation and animations.
 
 class PLATFORM_EXPORT GraphicsLayer : public WebLayerScrollClient, public cc::LayerClient, public DisplayItemClient {
     WTF_MAKE_NONCOPYABLE(GraphicsLayer); USING_FAST_MALLOC(GraphicsLayer);
 public:
     static PassOwnPtr<GraphicsLayer> create(GraphicsLayerClient*);
 
     ~GraphicsLayer() override;
 
@@ skipping 96 matching lines @@
     void setBackdropFilters(const FilterOperations&);
 
     void setFilterQuality(SkFilterQuality);
 
     // Some GraphicsLayers paint only the foreground or the background content
     GraphicsLayerPaintingPhase paintingPhase() const { return m_paintingPhase; }
     void setPaintingPhase(GraphicsLayerPaintingPhase);
 
     void setNeedsDisplay();
     // Mark the given rect (in layer coords) as needing display. Never goes deep.
-    void setNeedsDisplayInRect(const IntRect&, PaintInvalidationReason, const DisplayItemClient&);
+    void setNeedsDisplayInRect(const Vector<NeedsDisplayRecord>& rects);
 
     void setContentsNeedsDisplay();
 
     void invalidateDisplayItemClient(const DisplayItemClient&, PaintInvalidationReason);
 
     // Set that the position/size of the contents (image or video).
     void setContentsRect(const IntRect&);
 
     // Layer contents
     void setContentsToImage(Image*, RespectImageOrientationEnum = DoNotRespectImageOrientation);
@@ skipping 170 matching lines @@
 };
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the blink namespace for ease of invocation from gdb.
 void PLATFORM_EXPORT showGraphicsLayerTree(const blink::GraphicsLayer*);
 #endif
 
 #endif // GraphicsLayer_h