message: Prepare rtc::Event to take on webrtc::TimeDelta dependency.
  Cr-Commit-Position: refs/heads/main@{#37801}
diff: @@ -381,6 +381,7 @@ rtc_library("rtc_event") {
  ]
  deps = [
  ":checks",
  + "../api/units:time_delta",
  "system:rtc_export", # Only Chromium's rtc::Event use RTC_EXPORT.
  "//base", # Dependency on chromium's waitable_event.
  ]
  