Both cameraThreadHandler and surfaceHelper shouldn't be null. Bug: None Change-Id: I3c239c4275c53b836bbc2e9d6af71bf2b1b65387 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/161480 Reviewed-by: Sami Kalliomäki <sakal@webrtc.org> Commit-Queue: Sami Kalliomäki <sakal@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30047}