For stream sizes that were not multiple of 4, we could end up causing a size_t wraparound which resulted in an infinite loop. Bug: webrtc:9510 Change-Id: Ie3fe5345e1477efa6a4ec338bd9f9b00225e688e Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/177005 Reviewed-by: Per Kjellander <perkj@webrtc.org> Commit-Queue: Sebastian Jansson <srte@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31503}