Delete all use of tick_util.h.

webrtc/video/vie_encoder.cc

Index: webrtc/video/vie_encoder.cc
diff --git a/webrtc/video/vie_encoder.cc b/webrtc/video/vie_encoder.cc
index 24b8ce3cd1c4e392d2a0fef1ec8ffb8f00a4050b..cab1ff2b2b324f28326e5589ef171a8d156768fd 100644
--- a/webrtc/video/vie_encoder.cc
+++ b/webrtc/video/vie_encoder.cc
@@ -17,6 +17,7 @@
 #include "webrtc/base/checks.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/base/trace_event.h"
+#include "webrtc/base/timeutils.h"
 #include "webrtc/common_video/include/video_image.h"
 #include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
 #include "webrtc/frame_callback.h"
@@ -27,7 +28,6 @@
 #include "webrtc/modules/video_coding/include/video_coding_defines.h"
 #include "webrtc/system_wrappers/include/clock.h"
 #include "webrtc/system_wrappers/include/metrics.h"
-#include "webrtc/system_wrappers/include/tick_util.h"
 #include "webrtc/video/overuse_frame_detector.h"
 #include "webrtc/video/payload_router.h"
 #include "webrtc/video/send_statistics_proxy.h"
@@ -267,7 +267,7 @@ int ViEEncoder::GetPaddingNeededBps() const {
 
   // The amount of padding should decay to zero if no frames are being
   // captured/encoded unless a min-transmit bitrate is used.
-  int64_t now_ms = TickTime::MillisecondTimestamp();
+  int64_t now_ms = rtc::Time64();
   if (now_ms - time_of_last_frame_activity_ms > kStopPaddingThresholdMs)
     pad_up_to_bitrate_bps = 0;
 
@@ -321,7 +321,7 @@ void ViEEncoder::EncodeVideoFrame(const VideoFrame& video_frame) {
   VideoCodecType codec_type;
   {
     rtc::CritScope lock(&data_cs_);
-    time_of_last_frame_activity_ms_ = TickTime::MillisecondTimestamp();
+    time_of_last_frame_activity_ms_ = rtc::Time64();
     if (EncoderPaused()) {
       TraceFrameDropStart();
       return;
@@ -416,7 +416,7 @@ int32_t ViEEncoder::SendData(const uint8_t payload_type,
 
   {
     rtc::CritScope lock(&data_cs_);
-    time_of_last_frame_activity_ms_ = TickTime::MillisecondTimestamp();
+    time_of_last_frame_activity_ms_ = rtc::Time64();
   }
 
   if (stats_proxy_)
@@ -464,7 +464,7 @@ void ViEEncoder::OnReceivedIntraFrameRequest(uint32_t ssrc) {
   for (size_t i = 0; i < ssrcs_.size(); ++i) {
     if (ssrcs_[i] != ssrc)
       continue;
-    int64_t now_ms = TickTime::MillisecondTimestamp();
+    int64_t now_ms = rtc::Time64();
     {
       rtc::CritScope lock(&data_cs_);
       if (time_last_intra_request_ms_[i] + kMinKeyFrameRequestIntervalMs >