This fixes potential memory leak caused by early exit in Release() methods. Bug: webrtc:8967 Change-Id: I932ec4a451d30b3145a6133a9562e73248a8c203 Reviewed-on: https://webrtc-review.googlesource.com/59380 Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Commit-Queue: Sergey Silkin <ssilkin@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22268}