Revert of Add CastMediaBlocker and BrowserTest

Revert of Add CastMediaBlocker and BrowserTest (patchset #5 id:80001 of https://codereview.chromium.org/2330243002/ )

Reason for revert:
Test is failing on Cast Linux:
https://build.chromium.org/p/chromium.linux/builders/Cast%20Linux/builds/31563

Original issue's description:
> Add CastMediaBlocker and BrowserTest
>
> CastMediaBlocker is a class which can prevent media from being played
> on a web page.
>
> BUG=NONE
> TEST=ChromecastShellMediaBlockingBrowserTest
>
> Committed: https://crrev.com/502bcc946bd12e907572f8b22ef4a0abbc8190d0
> Cr-Commit-Position: refs/heads/master@{#418897}

TBR=halliwell@chromium.org,byungchul@chromium.org,derekjchow@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=NONE

Committed: https://crrev.com/08f159868ca7dcbb08af94e27b056ac4d995f12d
Cr-Commit-Position: refs/heads/master@{#418950}

[jbroman, 2016-09-15 20:16:41]

The CQ bit was checked by jbroman@chromium.org

[jbroman, 2016-09-15 20:16:41]

Created Revert of Add CastMediaBlocker and BrowserTest

[commit-bot: I haz the power, 2016-09-15 20:17:07]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-15 20:17:59]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-15 20:20:33]

Description was changed from

==========
Revert of Add CastMediaBlocker and BrowserTest (patchset #5 id:80001 of
https://codereview.chromium.org/2330243002/ )

Reason for revert:
Test is failing on Cast Linux:
https://build.chromium.org/p/chromium.linux/builders/Cast%20Linux/builds/31563

Original issue's description:
> Add CastMediaBlocker and BrowserTest
> 
> CastMediaBlocker is a class which can prevent media from being played
> on a web page.
> 
> BUG=NONE
> TEST=ChromecastShellMediaBlockingBrowserTest
> 
> Committed: https://crrev.com/502bcc946bd12e907572f8b22ef4a0abbc8190d0
> Cr-Commit-Position: refs/heads/master@{#418897}

TBR=halliwell@chromium.org,byungchul@chromium.org,derekjchow@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=NONE
==========

to

==========
Revert of Add CastMediaBlocker and BrowserTest (patchset #5 id:80001 of
https://codereview.chromium.org/2330243002/ )

Reason for revert:
Test is failing on Cast Linux:
https://build.chromium.org/p/chromium.linux/builders/Cast%20Linux/builds/31563

Original issue's description:
> Add CastMediaBlocker and BrowserTest
>
> CastMediaBlocker is a class which can prevent media from being played
> on a web page.
>
> BUG=NONE
> TEST=ChromecastShellMediaBlockingBrowserTest
>
> Committed: https://crrev.com/502bcc946bd12e907572f8b22ef4a0abbc8190d0
> Cr-Commit-Position: refs/heads/master@{#418897}

TBR=halliwell@chromium.org,byungchul@chromium.org,derekjchow@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=NONE

Committed: https://crrev.com/08f159868ca7dcbb08af94e27b056ac4d995f12d
Cr-Commit-Position: refs/heads/master@{#418950}
==========

[commit-bot: I haz the power, 2016-09-15 20:20:34]

Patchset 1 (id:??) landed as
https://crrev.com/08f159868ca7dcbb08af94e27b056ac4d995f12d
Cr-Commit-Position: refs/heads/master@{#418950}