brandtr aebc61e3dc Minor cleanups in VideoProcessor.
This CL is broken out from a future "real" CL, that introduces
support for pipelining HW codecs to VideoProcessor. I order to
simplify the reviewing of that CL a bit, some of the cleanups are
split out here.

No functional changes are intended.

BUG=webrtc::6634

Review-Url: https://codereview.webrtc.org/2709123004
Cr-Commit-Position: refs/heads/master@{#16909}
2017-02-28 15:13:47 +00:00
..
2016-09-29 00:42:08 +00:00