Nuke TickTime::UseFakeClock.

webrtc/system_wrappers/source/tick_util.cc

Index: webrtc/system_wrappers/source/tick_util.cc
diff --git a/webrtc/system_wrappers/source/tick_util.cc b/webrtc/system_wrappers/source/tick_util.cc
index cae817dc55b199c22d35afe8a013d9cc98e631db..8d942894172ffb447ba6fa39880b73a172321268 100644
--- a/webrtc/system_wrappers/source/tick_util.cc
+++ b/webrtc/system_wrappers/source/tick_util.cc
@@ -14,9 +14,6 @@
 
 namespace webrtc {
 
-bool TickTime::use_fake_clock_ = false;
-int64_t TickTime::fake_ticks_ = 0;
-
 int64_t TickTime::MillisecondTimestamp() {
   return TicksToMilliseconds(TickTime::Now().Ticks());
 }
@@ -82,16 +79,6 @@ int64_t TickTime::TicksToMicroseconds(const int64_t ticks) {
 #endif
 }
 
-void TickTime::UseFakeClock(int64_t start_millisecond) {
-  use_fake_clock_ = true;
-  fake_ticks_ = MillisecondsToTicks(start_millisecond);
-}
-
-void TickTime::AdvanceFakeClock(int64_t milliseconds) {
-  assert(use_fake_clock_);
-  fake_ticks_ += MillisecondsToTicks(milliseconds);
-}
-
 // Gets the native system tick count. The actual unit, resolution, and epoch
 // varies by platform:
 // Windows: Milliseconds of uptime with rollover count in the upper 32-bits.