AddRef() now returns void, and Release() returns an enum RefCountReleaseStatus, to indicate whether or not this Release call implied deletion. Bug: webrtc:8270 Change-Id: If2fb77f26118b61751b51c856af187c72112c630 Reviewed-on: https://webrtc-review.googlesource.com/3320 Commit-Queue: Niels Moller <nisse@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20366}