d140c8f43b
Some of the PCF and PC methods are actually return nil, but was by default annotated as nonnull via NS_ASSUME_NONNULL_BEGIN. Bug: None No-Presubmit: True Change-Id: Ib8b9263452a61241c9e7a16c1807d87bd597c093 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/209180 Commit-Queue: Yura Yaroshevich <yura.yaroshevich@gmail.com> Reviewed-by: Kári Helgason <kthelgason@webrtc.org> Cr-Commit-Position: refs/heads/master@{#33384}