Remove unused includes, including a TODO that is now irrelevant
Add missing includes
Remove definitinon for constexpr class constants as not needed since c++17 to avoid adding include for RTPExtensionType
Bug: webrtc:10198
Change-Id: I5f0ed15c5a9020d8b2e58bdfa213bb38eb59a840
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/317443
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40611}