Paint red fill after checking CachedDisplayItemList

third_party/WebKit/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 295 matching lines @@
 {
     ASSERT(interestRect || RuntimeEnabledFeatures::slimmingPaintSynchronizedPaintingEnabled());
     ASSERT(drawsContent());
     ASSERT(&context.paintController() == m_paintController);
 
     if (!m_client)
         return;
     if (firstPaintInvalidationTrackingEnabled())
         m_debugInfo.clearAnnotatedInvalidateRects();
     incrementPaintCount();
-#ifndef NDEBUG
-    if (contentsOpaque() && s_drawDebugRedFill) {
-        FloatRect rect(FloatPoint(), size());
-        if (!DrawingRecorder::useCachedDrawingIfPossible(context, *this, DisplayItem::DebugRedFill)) {
-            DrawingRecorder recorder(context, *this, DisplayItem::DebugRedFill, rect);
-            context.fillRect(rect, SK_ColorRED);
-        }
-    }
-#endif
 
     IntRect newInterestRect;
     if (RuntimeEnabledFeatures::slimmingPaintSynchronizedPaintingEnabled()) {
         if (!interestRect) {
             newInterestRect = m_client->computeInterestRect(this, m_previousInterestRect);
             interestRect = &newInterestRect;
         }
         if (!m_client->needsRepaint() && !paintController()->cacheIsEmpty() && m_previousInterestRect == *interestRect) {
             paintController()->createAndAppend<CachedDisplayItem>(*this, DisplayItem::CachedDisplayItemList);
             return;
         }
     }
 
+#ifndef NDEBUG
+    if (contentsOpaque() && s_drawDebugRedFill) {
+        FloatRect rect(FloatPoint(), size());
+        if (!DrawingRecorder::useCachedDrawingIfPossible(context, *this, DisplayItem::DebugRedFill)) {
+            DrawingRecorder recorder(context, *this, DisplayItem::DebugRedFill, rect);
+            context.fillRect(rect, SK_ColorRED);
+        }
+    }
+#endif
+
     m_previousInterestRect = *interestRect;
     m_client->paintContents(this, context, m_paintingPhase, *interestRect);
     notifyFirstPaintToClient();
 }
 
 void GraphicsLayer::notifyFirstPaintToClient()
 {
     if (!m_painted) {
         m_painted = true;
         m_client->notifyFirstPaint();
@@ skipping 873 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