It was recommened to me to move this define to the top level BUILD.gn file to avoid potential issues with the define not being available where we need it. Bug: webrtc:9273 Change-Id: Id0e939a51d1e381f684a3ae970569a255f52a5bb Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/214101 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Austin Orion <auorion@microsoft.com> Cr-Commit-Position: refs/heads/master@{#33661}