1ac0bea35f
For iteration of metrics, use RTCStats::Attributes() instead. In a follow-up CL, RTCStatsMember<T> types will be replaced by absl::optional<T> and RTCStatsMemberInterface and friends will be deleted. Bug: webrtc:15164 Change-Id: Ifca1d36abac3068abd299df49da36cacea1898fa Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/334202 Commit-Queue: Henrik Boström <hbos@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#41534}