Use chromium trace_event implementation in blink

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

 /*
  * Copyright (C) 2012 Intel 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 152 matching lines @@
         if (exceptionState.hadException())
             return nullptr;
     }
 
     // User timing events are stored as integer milliseconds from the start of
     // navigation, whereas trace events accept double seconds based off of
     // CurrentTime::monotonicallyIncreasingTime().
     double startTimeMonotonic = m_performance->timeOrigin() + startTime / 1000.0;
     double endTimeMonotonic = m_performance->timeOrigin() + endTime / 1000.0;
 
-    TRACE_EVENT_COPY_NESTABLE_ASYNC_BEGIN_WITH_TIMESTAMP0("blink.user_timing", measureName.utf8().data(), WTF::StringHash::hash(measureName), startTimeMonotonic);
-    TRACE_EVENT_COPY_NESTABLE_ASYNC_END_WITH_TIMESTAMP0("blink.user_timing", measureName.utf8().data(), WTF::StringHash::hash(measureName), endTimeMonotonic);
+    TRACE_EVENT_COPY_NESTABLE_ASYNC_BEGIN_WITH_TIMESTAMP0("blink.user_timing", measureName.utf8().data(), WTF::StringHash::hash(measureName), TraceEvent::toTraceTimestamp(startTimeMonotonic));
+    TRACE_EVENT_COPY_NESTABLE_ASYNC_END_WITH_TIMESTAMP0("blink.user_timing", measureName.utf8().data(), WTF::StringHash::hash(measureName), TraceEvent::toTraceTimestamp(endTimeMonotonic));
 
     PerformanceEntry* entry = PerformanceMeasure::create(measureName, startTime, endTime);
     insertPerformanceEntry(m_measuresMap, *entry);
     if (endTime >= startTime) {
         DEFINE_THREAD_SAFE_STATIC_LOCAL(CustomCountHistogram, measureDurationHistogram, new CustomCountHistogram("PLT.UserTiming_MeasureDuration", 0, 600000, 100));
         measureDurationHistogram.count(static_cast<int>(endTime - startTime));
     }
     return entry;
 }
 
@@ skipping 44 matching lines @@
 }
 
 DEFINE_TRACE(UserTiming)
 {
     visitor->trace(m_performance);
     visitor->trace(m_marksMap);
     visitor->trace(m_measuresMap);
 }
 
 } // namespace blink