FirstMeaningfulPaint UMA

third_party/WebKit/Source/core/timing/PerformanceTiming.cpp

 /*
  * Copyright (C) 2010 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 343 matching lines @@
 
 unsigned long long PerformanceTiming::firstContentfulPaint() const
 {
     const PaintTiming* timing = paintTiming();
     if (!timing)
         return 0;
 
     return monotonicTimeToIntegerMilliseconds(timing->firstContentfulPaint());
 }
 
+unsigned long long PerformanceTiming::firstMeaningfulPaint() const
+{
+    const PaintTiming* timing = paintTiming();
+    if (!timing)
+        return 0;
+
+    return monotonicTimeToIntegerMilliseconds(timing->firstMeaningfulPaint());
+}
+
 unsigned long long PerformanceTiming::parseStart() const
 {
     const DocumentParserTiming* timing = documentParserTiming();
     if (!timing)
         return 0;
 
     return monotonicTimeToIntegerMilliseconds(timing->parserStart());
 }
 
 unsigned long long PerformanceTiming::parseStop() const
@@ skipping 130 matching lines @@
 
     return timing->pseudoWallTimeToMonotonicTime(toDoubleSeconds(integerMilliseconds));
 }
 
 DEFINE_TRACE(PerformanceTiming)
 {
     DOMWindowProperty::trace(visitor);
 }
 
 } // namespace blink