Use rtc::time for all your timing needs!

webrtc/base/timeutils.cc

Index: webrtc/base/timeutils.cc
diff --git a/webrtc/base/timeutils.cc b/webrtc/base/timeutils.cc
index 05e9ad8243be1eb9447f468bc0fae0955263eed2..a24f2299ce59374865b80667b23ea01fcf4a49ad 100644
--- a/webrtc/base/timeutils.cc
+++ b/webrtc/base/timeutils.cc
@@ -74,6 +74,11 @@ uint64_t TimeNanos() {
   // TODO: Calculate with nanosecond precision.  Otherwise, we're just
   // wasting a multiply and divide when doing Time() on Windows.
   ticks = ticks * kNumNanosecsPerMillisec;
+#else

[pbos-webrtc, 2016/01/26 15:00:22]

#else #error? Do we ever build with none of these set?

[sprang_webrtc, 2016/01/27 08:48:47]

Agreed it makes more sense to have #error here instead. 

+  struct timeval tv;
+  gettimeofday(&tv, NULL);
+  ticks =
+      (kNumNanosecsPerSec * tv.tv_sec) + (kNumNanosecsPerMicrosec * tv.tv_usec);
 #endif
   return ticks;
 }