Delete unused code in rtc timeutils.

webrtc/base/timeutils.h

 /*
  *  Copyright 2005 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 11 matching lines @@
 static const int64_t kNumMicrosecsPerSec = INT64_C(1000000);
 static const int64_t kNumNanosecsPerSec = INT64_C(1000000000);
 
 static const int64_t kNumMicrosecsPerMillisec =
     kNumMicrosecsPerSec / kNumMillisecsPerSec;
 static const int64_t kNumNanosecsPerMillisec =
     kNumNanosecsPerSec / kNumMillisecsPerSec;
 static const int64_t kNumNanosecsPerMicrosec =
     kNumNanosecsPerSec / kNumMicrosecsPerSec;
 
-// January 1970, in NTP milliseconds.
-static const int64_t kJan1970AsNtpMillisecs = INT64_C(2208988800000);
-
 typedef uint32_t TimeStamp;
 
 // Returns the current time in milliseconds in 32 bits.
 uint32_t Time32();
 
 // Returns the current time in milliseconds in 64 bits.
 int64_t Time64();
 
 // Returns the current time in milliseconds.
 // TODO(honghaiz): Returns Time64 once majority of the webrtc code migrates to
 // 64-bit timestamp.
 inline uint32_t Time() {
   return Time32();
 }
 
 // Returns the current time in microseconds.
 uint64_t TimeMicros();
 // Returns the current time in nanoseconds.
 uint64_t TimeNanos();
 
-// Stores current time in *tm and microseconds in *microseconds.
-void CurrentTmTime(struct tm *tm, int *microseconds);
-
 // Returns a future timestamp, 'elapsed' milliseconds from now.
 uint32_t TimeAfter(int32_t elapsed);
 
-// Comparisons between time values, which can wrap around.
-bool TimeIsBetween(uint32_t earlier,
-                   uint32_t middle,
-                   uint32_t later);                         // Inclusive
 bool TimeIsLaterOrEqual(uint32_t earlier, uint32_t later);  // Inclusive
 bool TimeIsLater(uint32_t earlier, uint32_t later);         // Exclusive
 
 // Returns the later of two timestamps.
 inline uint32_t TimeMax(uint32_t ts1, uint32_t ts2) {
   return TimeIsLaterOrEqual(ts1, ts2) ? ts2 : ts1;
 }
 
 // Returns the earlier of two timestamps.
 inline uint32_t TimeMin(uint32_t ts1, uint32_t ts2) {
@@ skipping 11 matching lines @@
 // The number of milliseconds that have elapsed since 'earlier'.
 inline int32_t TimeSince(uint32_t earlier) {
   return TimeDiff(Time(), earlier);
 }
 
 // The number of milliseconds that will elapse between now and 'later'.
 inline int32_t TimeUntil(uint32_t later) {
   return TimeDiff(later, Time());
 }
 
-// Converts a unix timestamp in nanoseconds to an NTP timestamp in ms.
-inline int64_t UnixTimestampNanosecsToNtpMillisecs(int64_t unix_ts_ns) {
-  return unix_ts_ns / kNumNanosecsPerMillisec + kJan1970AsNtpMillisecs;
-}
-
 class TimestampWrapAroundHandler {
  public:
   TimestampWrapAroundHandler();
 
   int64_t Unwrap(uint32_t ts);
 
  private:
   uint32_t last_ts_;
   int64_t num_wrap_;
 };
 
 // Convert from std::tm, which is relative to 1900-01-01 00:00 to number of
 // seconds from 1970-01-01 00:00 ("epoch").  Don't return time_t since that
 // is still 32 bits on many systems.
 int64_t TmToSeconds(const std::tm& tm);
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_TIMEUTILS_H_