Continue to move stream capture related code to its own place.
Fix build errors. Try again: https://treeherder.mozilla.org/#/jobs?repo=try&revision=21677437deb9
Created attachment 8606865 [details] [diff] [review] 1163474_part1_add_DecodedStream-v1.patch Part 1 - Create a wrapper class to which MediaDecoder::mOutputStreams will move.
Created attachment 8606868 [details] [diff] [review] 1163474_part2_move_mOutputStreams-v1.patch Part 2 - move MediaDecoder::mOutputStreams to DecodedStream.
Thanks for the review!