Mac Video Capture: expose --enable-avfoundation as tristate in chrome://flags

Mac Video Capture: expose --enable-avfoundation as tristate in chrome://flags

Currently chrome://flags only exposes #enable-avfoundation as an enable
link. This CL exposes instead a tristate compose of Default/Enable/Disable.



BUG=356106, 396764
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=289053

[mcasas, 2014-08-12 11:16:25]

vrk@ PTAL,
tommi@ Owners RS/ PTAL.

[tommi (sloooow) - chröme, 2014-08-12 13:39:11]

lgtm

[vrk (LEFT CHROMIUM), 2014-08-12 16:10:17]

lgtm

Thanks for doing this!

https://codereview.chromium.org/460113006/diff/1/media/video/capture/mac/avfo...
File media/video/capture/mac/avfoundation_glue.mm (right):

https://codereview.chromium.org/460113006/diff/1/media/video/capture/mac/avfo...
media/video/capture/mac/avfoundation_glue.mm:123: // TODO(vrk): Does this really
need to be static?
mcasas: by any chance do you know the answer to this?

[vrk (LEFT CHROMIUM), 2014-08-12 16:10:20]

The CQ bit was checked by vrk@chromium.org

[commit-bot: I haz the power, 2014-08-12 16:12:23]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mcasas@chromium.org/460113006/1

[mcasas, 2014-08-12 16:52:26]

The CQ bit was unchecked by mcasas@chromium.org

[mcasas, 2014-08-12 16:52:51]

The CQ bit was checked by mcasas@chromium.org

[commit-bot: I haz the power, 2014-08-12 16:56:40]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mcasas@chromium.org/460113006/20001

[commit-bot: I haz the power, 2014-08-12 20:01:05]

Change committed as 289053