WIP for display item list backed by ListContainer

Source/core/paint/LayerClipRecorder.cpp

Index: Source/core/paint/LayerClipRecorder.cpp
diff --git a/Source/core/paint/LayerClipRecorder.cpp b/Source/core/paint/LayerClipRecorder.cpp
index 2d59a79773c626c7e3636569af983922dc7a2399..5af42ada61654fb480659457be22d4ba468bfae1 100644
--- a/Source/core/paint/LayerClipRecorder.cpp
+++ b/Source/core/paint/LayerClipRecorder.cpp
@@ -30,15 +30,19 @@ LayerClipRecorder::LayerClipRecorder(GraphicsContext& graphicsContext, const Lay
         collectRoundedRectClips(*layoutObject.layer(), *localPaintingInfo, graphicsContext, fragmentOffset, paintFlags, rule, *roundedRects);
     }
 
-    OwnPtr<ClipDisplayItem> clipDisplayItem = ClipDisplayItem::create(layoutObject, clipType, snappedClipRect, roundedRects.release());
-    if (!RuntimeEnabledFeatures::slimmingPaintEnabled()) {
-        clipDisplayItem->replay(graphicsContext);
-    } else {
-        ASSERT(m_graphicsContext.displayItemList());
-        if (m_graphicsContext.displayItemList()->displayItemConstructionIsDisabled())
-            return;
-        m_graphicsContext.displayItemList()->add(clipDisplayItem.release());
-    }
+    ALLOW_UNUSED_LOCAL(m_clipType);
+    ALLOW_UNUSED_LOCAL(snappedClipRect);
+    ALLOW_UNUSED_LOCAL(m_layoutObject);
+    ALLOW_UNUSED_LOCAL(m_graphicsContext);
+    //OwnPtr<ClipDisplayItem> clipDisplayItem = ClipDisplayItem::create(layoutObject, clipType, snappedClipRect, roundedRects.release());
+    //if (!RuntimeEnabledFeatures::slimmingPaintEnabled()) {
+    //    clipDisplayItem->replay(graphicsContext);
+    //} else {
+    //    ASSERT(m_graphicsContext.displayItemList());
+    //    if (m_graphicsContext.displayItemList()->displayItemConstructionIsDisabled())
+    //        return;
+    //    m_graphicsContext.displayItemList()->add(clipDisplayItem.release());
+    //}
 }
 
 static bool inContainingBlockChain(DeprecatedPaintLayer* startLayer, DeprecatedPaintLayer* endLayer)
@@ -82,17 +86,17 @@ void LayerClipRecorder::collectRoundedRectClips(DeprecatedPaintLayer& paintLayer
 
 LayerClipRecorder::~LayerClipRecorder()
 {
-    if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
-        ASSERT(m_graphicsContext.displayItemList());
-        if (!m_graphicsContext.displayItemList()->displayItemConstructionIsDisabled()) {
-            if (m_graphicsContext.displayItemList()->lastDisplayItemIsNoopBegin())
-                m_graphicsContext.displayItemList()->removeLastDisplayItem();
-            else
-                m_graphicsContext.displayItemList()->add(EndClipDisplayItem::create(m_layoutObject, DisplayItem::clipTypeToEndClipType(m_clipType)));
-        }
-    } else {
-        m_graphicsContext.restore();
-    }
+    //if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
+    //    ASSERT(m_graphicsContext.displayItemList());
+    //    if (!m_graphicsContext.displayItemList()->displayItemConstructionIsDisabled()) {
+    //        if (m_graphicsContext.displayItemList()->lastDisplayItemIsNoopBegin())
+    //            m_graphicsContext.displayItemList()->removeLastDisplayItem();
+    //        else
+    //            m_graphicsContext.displayItemList()->add(EndClipDisplayItem::create(m_layoutObject, DisplayItem::clipTypeToEndClipType(m_clipType)));
+    //    }
+    //} else {
+    //    m_graphicsContext.restore();
+    //}
 }
 
 } // namespace blink