void DocumentLoadTiming::setNavigationStart(double navigationStart)
{
ASSERT(m_referenceMonotonicTime && m_referenceWallTime);
m_navigationStart = navigationStart;
// |m_referenceMonotonicTime| and |m_referenceWallTime| represent
// navigationStart. When the embedder sets navigationStart (because the
// navigation started earlied on the browser side), we need to adjust these
// as well.
m_referenceWallTime = monotonicTimeToPseudoWallTime(navigationStart);
m_referenceMonotonicTime = navigationStart;
}
void DocumentLoadTiming::setNavigationStart(double navigationStart) {
// |m_referenceMonotonicTime| and |m_referenceWallTime| represent
// navigationStart. We must set these to the current time if they haven't
// been set yet in order to have a valid reference time in both units.
ensureReferenceTimesSet();
m_navigationStart = navigationStart;
TRACE_EVENT_MARK_WITH_TIMESTAMP1(
"blink.user_timing", "navigationStart",
TraceEvent::toTraceTimestamp(m_navigationStart), "frame", frame());
// The reference times are adjusted based on the embedder's navigationStart.
DCHECK(m_referenceMonotonicTime);
DCHECK(m_referenceWallTime);
m_referenceWallTime = monotonicTimeToPseudoWallTime(navigationStart);
m_referenceMonotonicTime = navigationStart;
notifyDocumentTimingChanged();
}
