FirstMeaningfulPaint UMA

third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.cpp

 /*
  * Copyright (C) 2009, 2010, 2011 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 2507 matching lines @@
     if (PaintTiming* timing = m_owningLayer.paintTiming())
         timing->markFirstTextPaint();
 }
 
 void CompositedLayerMapping::notifyFirstImagePaint()
 {
     if (PaintTiming* timing = m_owningLayer.paintTiming())
         timing->markFirstImagePaint();
 }
 
+void CompositedLayerMapping::notifyPaint()
+{
+    if (PaintTiming* timing = m_owningLayer.paintTiming())
+        timing->firstMeaningfulPaintDetector().notifyPaint();
+}
+
 IntRect CompositedLayerMapping::pixelSnappedCompositedBounds() const
 {
     LayoutRect bounds = m_compositedBounds;
     bounds.move(m_owningLayer.subpixelAccumulation());
     return pixelSnappedIntRect(bounds);
 }
 
 bool CompositedLayerMapping::invalidateLayerIfNoPrecedingEntry(size_t indexToClear)
 {
     PaintLayer* layerToRemove = m_squashedLayers[indexToClear].paintLayer;
@@ skipping 122 matching lines @@
     } else if (graphicsLayer == m_scrollingContentsLayer.get()) {
         name = "Scrolling Contents Layer";
     } else {
         ASSERT_NOT_REACHED();
     }
 
     return name;
 }
 
 } // namespace blink