Use chromium trace_event implementation in blink

third_party/WebKit/Source/platform/network/ResourceLoadTiming.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "platform/network/ResourceLoadTiming.h"
 
 #include "platform/TraceEvent.h"
 
 namespace blink {
 
@@ skipping 109 matching lines @@
     m_workerStart = workerStart;
 }
 
 void ResourceLoadTiming::setWorkerReady(double workerReady)
 {
     m_workerReady = workerReady;
 }
 
 void ResourceLoadTiming::setSendStart(double sendStart)
 {
-    TRACE_EVENT_MARK_WITH_TIMESTAMP0("blink.user_timing", "requestStart", sendStart);
+    TRACE_EVENT_MARK_WITH_TIMESTAMP0("blink.user_timing", "requestStart", TraceEvent::toTraceTimestamp(sendStart));
     m_sendStart = sendStart;
 }
 
 void ResourceLoadTiming::setSendEnd(double sendEnd)
 {
     m_sendEnd = sendEnd;
 }
 
 void ResourceLoadTiming::setReceiveHeadersEnd(double receiveHeadersEnd)
 {
@@ skipping 19 matching lines @@
 {
     m_pushEnd = pushEnd;
 }
 
 double ResourceLoadTiming::calculateMillisecondDelta(double time) const
 {
     return time ? (time - m_requestTime) * 1000 : -1;
 }
 
 } // namespace blink