mbonadei 6ff8f96baf Tightening visibility of video_toolbox_cc.
This CL aligns the visibility to the standard decided in:
https://codereview.webrtc.org/3001623003.

BUG=webrtc:7743
NOTRY=True

Review-Url: https://codereview.webrtc.org/3010123002
Cr-Commit-Position: refs/heads/master@{#19659}
2017-09-04 12:51:34 +00:00
..