Remove dead code in ContentVideoView.

Remove dead code in ContentVideoView.

This code was used when Android native controls were
used for fullscreen video instead of html5 controls.

Committed: https://crrev.com/e72da7ae104759fcb9d50527aef095dd58ab213e
Cr-Commit-Position: refs/heads/master@{#305028}

[Ignacio Solla, 2014-11-19 03:48:10]

igsolla@chromium.org changed reviewers:
+ qinmin@chromium.org, tedchoc@chromium.org

[Ignacio Solla, 2014-11-19 03:48:11]

qinmin@chromium.org: Please review browser_media_player_manager

tedchoc@chromium.org: Please review ContentVideoView

[qinmin, 2014-11-19 06:24:29]

lgtm

[Ted C, 2014-11-19 19:05:17]

lgtm

[Ignacio Solla, 2014-11-20 16:40:18]

The CQ bit was checked by igsolla@chromium.org

[commit-bot: I haz the power, 2014-11-20 16:41:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/739613003/1

[commit-bot: I haz the power, 2014-11-20 17:34:39]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-11-20 17:35:17]

Patchset 1 (id:??) landed as
https://crrev.com/e72da7ae104759fcb9d50527aef095dd58ab213e
Cr-Commit-Position: refs/heads/master@{#305028}