After fixing the issue with crbug.com/1018579, lld-link complained that some symbols need to be exported, see [1]. [1] - https://ci.chromium.org/p/chromium/builders/try/win_chromium_compile_dbg_ng/432025 Bug: webrtc:9419 Change-Id: I9107a9c76361f4c66463a9af2e81a3991ae14df5 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/159007 Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#29721}