WIP for display item list backed by ListContainer

Source/core/paint/LayerClipRecorder.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/paint/LayerClipRecorder.h"
 
 #include "core/layout/ClipRect.h"
 #include "core/layout/LayoutView.h"
 #include "core/paint/DeprecatedPaintLayer.h"
@@ skipping 12 matching lines @@
     , m_layoutObject(layoutObject)
     , m_clipType(clipType)
 {
     IntRect snappedClipRect = pixelSnappedIntRect(clipRect.rect());
     OwnPtr<Vector<FloatRoundedRect>> roundedRects;
     if (localPaintingInfo && clipRect.hasRadius()) {
         roundedRects = adoptPtr(new Vector<FloatRoundedRect>());
         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)
 {
     if (startLayer == endLayer)
         return true;
 
     LayoutView* view = startLayer->layoutObject()->view();
     for (LayoutBlock* currentBlock = startLayer->layoutObject()->containingBlock(); currentBlock && currentBlock != view; currentBlock = currentBlock->containingBlock()) {
         if (currentBlock->layer() == endLayer)
@@ skipping 23 matching lines @@
             roundedRectClips.append(layer->layoutObject()->style()->getRoundedInnerBorderFor(LayoutRect(delta, LayoutSize(layer->size()))));
         }
 
         if (layer == localPaintingInfo.rootLayer)
             break;
     }
 }
 
 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