Tony Herre 2311f93909 Remove uses of TransformableVideoFrame::GetMetadata and deprecate it
Chromium uses have been migrated to Metadata(), so we should be clear.
Other projects can easily migrate similarly.

Bug: chromium:1420245
Change-Id: I150654812676dabd5c957cff00d40d4c95eaf5d6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/295481
Commit-Queue: Tony Herre <herre@google.com>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39455}
2023-03-02 13:38:48 +00:00
..
2023-01-12 14:44:21 +00:00
2022-10-04 11:39:38 +00:00