tree 35fcffffa527964f57a4a5c97657c397e86cac42
parent 9030792b19912f334f058261e23c2b36bc091ce0
author Dale Sather <dalesat@chromium.org> 1464203842 -0700
committer Dale Sather <dalesat@chromium.org> 1464203842 -0700

Motown: Implement MediaTimelineController and use it.
Implemented MediaTimelineController, which aggregates multiple
MediaTimelineControlSites, and changed MediaPlayerImpl to use the
controller.

R=kulakowski@chromium.org

Review URL: https://codereview.chromium.org/2009643002 .