message: Delete VideoFrame::transport_frame_id() (an alias for timestamp())
  Cr-Commit-Position: refs/heads/main@{#37541}
diff: @@ -172,10 +172,6 @@ class RTC_EXPORT VideoFrame {
  // Get frame timestamp (90kHz).
  uint32_t timestamp() const { return timestamp_rtp_; }
  - [[deprecated("Use timestamp()")]] uint32_t transport_frame_id() const {
  - return timestamp();
  - }
  -
  // Set capture ntp time in milliseconds.
  void set_ntp_time_ms(int64_t ntp_time_ms) { ntp_time_ms_ = ntp_time_ms; }
  