Revert of webrtc-internals: dont remove tab

Revert of webrtc-internals: dont remove tab (patchset #1 id:1 of https://codereview.chromium.org/2739443002/ )

Reason for revert:
This is breaking some Mac builds
https://uberchromegw.corp.google.com/i/chromium.mac/builders/Mac10.10%20Tests/builds/14781

Original issue's description:
> webrtc-internals: dont remove tab
> 
> instead of removing the tab when a peerconnection is garbage collected
> this adds a symbol which removes the tab on click.
> 
> BUG=416876
> 
> Review-Url: https://codereview.chromium.org/2739443002
> Cr-Commit-Position: refs/heads/master@{#455743}
> Committed: https://chromium.googlesource.com/chromium/src/+/b31e6f5fc2cae4ce8efdb57eb995a0c2e583dd75

TBR=guidou@chromium.org,tommi@chromium.org,philipp.hancke@googlemail.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=416876
Review-Url: https://codereview.chromium.org/2745433004
Cr-Commit-Position: refs/heads/master@{#455760}
Committed: https://chromium.googlesource.com/chromium/src/+/3c1769f9cb0518af8c81152741e7131b1f90473e

[fserb, 2017-03-09 16:22:34]

The CQ bit was checked by fserb@chromium.org

[fserb, 2017-03-09 16:22:35]

Created Revert of webrtc-internals: dont remove tab

[commit-bot: I haz the power, 2017-03-09 16:23:15]

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, 2017-03-09 16:27:08]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489076554845620, "parent_rev":
"3c1d10caa48428f7a185458ae7e9f70211d7c9fd", "commit_rev":
"3c1769f9cb0518af8c81152741e7131b1f90473e"}

[commit-bot: I haz the power, 2017-03-09 16:27:50]

Description was changed from

==========
Revert of webrtc-internals: dont remove tab (patchset #1 id:1 of
https://codereview.chromium.org/2739443002/ )

Reason for revert:
This is breaking some Mac builds
https://uberchromegw.corp.google.com/i/chromium.mac/builders/Mac10.10%20Tests...

Original issue's description:
> webrtc-internals: dont remove tab
> 
> instead of removing the tab when a peerconnection is garbage collected
> this adds a symbol which removes the tab on click.
> 
> BUG=416876
> 
> Review-Url: https://codereview.chromium.org/2739443002
> Cr-Commit-Position: refs/heads/master@{#455743}
> Committed:
https://chromium.googlesource.com/chromium/src/+/b31e6f5fc2cae4ce8efdb57eb995...

TBR=guidou@chromium.org,tommi@chromium.org,philipp.hancke@googlemail.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=416876
==========

to

==========
Revert of webrtc-internals: dont remove tab (patchset #1 id:1 of
https://codereview.chromium.org/2739443002/ )

Reason for revert:
This is breaking some Mac builds
https://uberchromegw.corp.google.com/i/chromium.mac/builders/Mac10.10%20Tests...

Original issue's description:
> webrtc-internals: dont remove tab
> 
> instead of removing the tab when a peerconnection is garbage collected
> this adds a symbol which removes the tab on click.
> 
> BUG=416876
> 
> Review-Url: https://codereview.chromium.org/2739443002
> Cr-Commit-Position: refs/heads/master@{#455743}
> Committed:
https://chromium.googlesource.com/chromium/src/+/b31e6f5fc2cae4ce8efdb57eb995...

TBR=guidou@chromium.org,tommi@chromium.org,philipp.hancke@googlemail.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=416876

Review-Url: https://codereview.chromium.org/2745433004
Cr-Commit-Position: refs/heads/master@{#455760}
Committed:
https://chromium.googlesource.com/chromium/src/+/3c1769f9cb0518af8c81152741e7...
==========

[commit-bot: I haz the power, 2017-03-09 16:27:55]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/3c1769f9cb0518af8c81152741e7...