Paint invalidation tests for slimming paint v2

Source/platform/graphics/GraphicsLayer.cpp

 /*
  * Copyright (C) 2009 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 46 matching lines @@
 #include "wtf/HashSet.h"
 #include "wtf/text/WTFString.h"
 #include <algorithm>
 
 #ifndef NDEBUG
 #include <stdio.h>
 #endif
 
 namespace blink {
 
+// TODO(wangxianzhu): Remove this when we no longer invalidate rects.
 struct PaintInvalidationTrackingInfo {
     Vector<FloatRect> invalidationRects;
     Vector<String> invalidationObjects;
 };
 
 typedef HashMap<const GraphicsLayer*, PaintInvalidationTrackingInfo> PaintInvalidationTrackingMap;
 static PaintInvalidationTrackingMap& paintInvalidationTrackingMap()
 {
     DEFINE_STATIC_LOCAL(PaintInvalidationTrackingMap, map, ());
     return map;
@@ skipping 701 matching lines @@
 
     m_size = clampedSize;
 
     m_layer->layer()->setBounds(flooredIntSize(m_size));
     // Note that we don't resize m_contentsLayer. It's up the caller to do that.
 
 #ifndef NDEBUG
     // The red debug fill needs to be invalidated if the layer resizes.
     if (m_displayItemList) {
         ASSERT(RuntimeEnabledFeatures::slimmingPaintEnabled());
-        m_displayItemList->invalidate(displayItemClient());
+        m_displayItemList->invalidateUntracked(displayItemClient());
     }
 #endif
 }
 
 void GraphicsLayer::setTransform(const TransformationMatrix& transform)
 {
     m_transform = transform;
     platformLayer()->setTransform(TransformationMatrix::toSkMatrix44(m_transform));
 }
 
@@ skipping 180 matching lines @@
         if (isTrackingPaintInvalidations())
             trackPaintInvalidationRect(rect);
         for (size_t i = 0; i < m_linkHighlights.size(); ++i)
             m_linkHighlights[i]->invalidate();
     }
 }
 
 void GraphicsLayer::invalidateDisplayItemClient(const DisplayItemClientWrapper& displayItemClient)
 {
     ASSERT(RuntimeEnabledFeatures::slimmingPaintEnabled());
-    displayItemList()->invalidate(displayItemClient.displayItemClient());
+    displayItemList()->invalidate(displayItemClient);
     if (isTrackingPaintInvalidations())
         trackPaintInvalidationObject(displayItemClient.debugName());
 }
 
 void GraphicsLayer::setContentsRect(const IntRect& rect)
 {
     if (rect == m_contentsRect)
         return;
 
     m_contentsRect = rect;
@@ skipping 155 matching lines @@
 {
     if (!layer) {
         fprintf(stderr, "Cannot showGraphicsLayerTree for (nil).\n");
         return;
     }
 
     String output = layer->layerTreeAsText(blink::LayerTreeIncludesDebugInfo);
     fprintf(stderr, "%s\n", output.utf8().data());
 }
 #endif