This is part of a large-scale effort to adopt absl::string_view throughout the WebRTC code base. As a first step, function parameters of type 'const std::string&' are being converted to absl::string_view. Bug: webrtc:13579 Change-Id: Ib4618fad3bff2902cd3a4730506aca300949d76c Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/252982 Reviewed-by: Stefan Holmer <stefan@webrtc.org> Commit-Queue: Ali Tofigh <alito@webrtc.org> Cr-Commit-Position: refs/heads/main@{#36102}