Delete Timing class, timing.h, and update all users.

webrtc/api/statscollector.cc

Index: webrtc/api/statscollector.cc
diff --git a/webrtc/api/statscollector.cc b/webrtc/api/statscollector.cc
index ffe241568bd4a141f17e0071276e1cbe6920f411..e4aa7ce7a649064739d9fd0c68a8e0889b64aba7 100644
--- a/webrtc/api/statscollector.cc
+++ b/webrtc/api/statscollector.cc
@@ -17,7 +17,6 @@
 #include "webrtc/api/peerconnection.h"
 #include "webrtc/base/base64.h"
 #include "webrtc/base/checks.h"
-#include "webrtc/base/timing.h"
 #include "webrtc/pc/channel.h"
 
 namespace webrtc {
@@ -375,8 +374,10 @@ StatsCollector::~StatsCollector() {
   RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent());
 }
 
+// Wallclock time in ms.
 double StatsCollector::GetTimeNow() {
-  return rtc::Timing::WallTimeNow() * rtc::kNumMillisecsPerSec;
+  return rtc::TimeUTCMicros() /
+         static_cast<double>(rtc::kNumMicrosecsPerMillisec);
 }
 
 // Adds a MediaStream with tracks that can be used as a |selector| in a call
@@ -467,6 +468,9 @@ void
 StatsCollector::UpdateStats(PeerConnectionInterface::StatsOutputLevel level) {
   RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent());
   double time_now = GetTimeNow();
+
+  LOG(LS_INFO) << "UpdateStats: time_now = " << time_now;

[hbos, 2016/09/08 07:50:43]

Do we really want this log? Its LS_INFO, but it's still spammy.

[nisse-webrtc, 2016/09/08 09:07:14]

Probably not. I'll remove it.

+
   // Calls to UpdateStats() that occur less than kMinGatherStatsPeriod number of
   // ms apart will be ignored.
   const double kMinGatherStatsPeriod = 50;