The declaration in common_types.h is probably a left-over from a previous cleanup. Bug: None Change-Id: I3ee1bad2494ede0022c6aa8fdd106035471d50e2 Reviewed-on: https://webrtc-review.googlesource.com/99220 Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24666}