As of this CL, Attribute no longer implements RTCStatsMemberInterface
and a member no longer owns knowing its own name. The attribute knows
the name because we pass it down at construction time.
To achieve this, the WEBRTC_RTCSTATS_IMPL() macro is updated to take
AttributeInits instead of raw member pointers, i.e. (name, ptr) pairs.
By constructing RTCStatsMember<T> without a name parameter, it does the
same thing as the absl::optional<T> constructor. So RTCStatsMember<T>'s
days are numbered!
Bug: webrtc:15164
Change-Id: I560c0134bae1c2d7218426a1576425ecc1b677a7
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/334203
Commit-Queue: Henrik Boström <hbos@webrtc.org>
Reviewed-by: Evan Shrubsole <eshr@google.com>
Cr-Commit-Position: refs/heads/main@{#41540}
84c48ae751