Delete all use of tick_util.h.

webrtc/video/vie_sync_module.cc

Index: webrtc/video/vie_sync_module.cc
diff --git a/webrtc/video/vie_sync_module.cc b/webrtc/video/vie_sync_module.cc
index af57ab4b76d5cfa05fe0252f1ea4283c6decdbbb..23c4d20f2d1915dae9b2bf04a7eb50b5bec7a4dd 100644
--- a/webrtc/video/vie_sync_module.cc
+++ b/webrtc/video/vie_sync_module.cc
@@ -12,6 +12,7 @@
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/logging.h"
+#include "webrtc/base/timeutils.h"
 #include "webrtc/base/trace_event.h"
 #include "webrtc/modules/rtp_rtcp/include/rtp_receiver.h"
 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp.h"
@@ -55,7 +56,7 @@ ViESyncModule::ViESyncModule(VideoCodingModule* vcm)
       video_rtp_rtcp_(nullptr),
       voe_channel_id_(-1),
       voe_sync_interface_(nullptr),
-      last_sync_time_(TickTime::Now()),
+      last_sync_time_(rtc::TimeNanos()),
       sync_() {}
 
 ViESyncModule::~ViESyncModule() {
@@ -85,12 +86,13 @@ void ViESyncModule::ConfigureSync(int voe_channel_id,
 
 int64_t ViESyncModule::TimeUntilNextProcess() {
   const int64_t kSyncIntervalMs = 1000;
-  return kSyncIntervalMs - (TickTime::Now() - last_sync_time_).Milliseconds();
+  return kSyncIntervalMs -
+      (rtc::TimeNanos() - last_sync_time_) / rtc::kNumNanosecsPerMillisec;
 }
 
 void ViESyncModule::Process() {
   rtc::CritScope lock(&data_cs_);
-  last_sync_time_ = TickTime::Now();
+  last_sync_time_ = rtc::TimeNanos();
 
   const int current_video_delay_ms = vcm_->Delay();