Remove DebugRedFill

third_party/WebKit/Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 2621 matching lines @@
     forAllNonThrottledFrameViews([](FrameView& frameView) {
         frameView.lifecycle().advanceTo(DocumentLifecycle::PaintClean);
         LayoutViewItem layoutViewItem = frameView.layoutViewItem();
         if (!layoutViewItem.isNull())
             layoutViewItem.layer()->clearNeedsRepaintRecursively();
     });
 }
 
 void FrameView::synchronizedPaintRecursively(GraphicsLayer* graphicsLayer)
 {
-    if (graphicsLayer->drawsContent()) {
-        // Usually this is not needed because the PaintLayer will setup the chunk properties
-        // altogether. However in debug builds the GraphicsLayer could paint debug background before
-        // we ever reach the PaintLayer.
-        Optional<ScopedPaintChunkProperties> scopedPaintChunkProperties;
-        if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
-            PaintChunkProperties properties;
-            properties.transform = m_rootTransform;
-            properties.clip = m_rootClip;
-            properties.effect = m_rootEffect;
-            scopedPaintChunkProperties.emplace(graphicsLayer->getPaintController(), *layoutView(), DisplayItem::DebugRedFill, properties);
-        }
+    if (graphicsLayer->drawsContent())
         graphicsLayer->paint(nullptr);
-    }
 
     if (!RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
         if (GraphicsLayer* maskLayer = graphicsLayer->maskLayer())
             synchronizedPaintRecursively(maskLayer);
         if (GraphicsLayer* contentsClippingMaskLayer = graphicsLayer->contentsClippingMaskLayer())
             synchronizedPaintRecursively(contentsClippingMaskLayer);
         if (GraphicsLayer* replicaLayer = graphicsLayer->replicaLayer())
             synchronizedPaintRecursively(replicaLayer);
     }
 
@@ skipping 1620 matching lines @@
 }
 
 bool FrameView::canThrottleRendering() const
 {
     if (!RuntimeEnabledFeatures::renderingPipelineThrottlingEnabled())
         return false;
     return m_subtreeThrottled || (m_hiddenForThrottling && m_crossOriginForThrottling);
 }
 
 } // namespace blink