Don't delete UMA observer until after PeerConnection.

Don't delete UMA observer until after PeerConnection.

BUG=chromium:681302
Review-Url: https://codereview.chromium.org/2638993002
Cr-Commit-Position: refs/heads/master@{#444513}
Committed: https://chromium.googlesource.com/chromium/src/+/3d9dba1c2096a55778307a3d5ad322e187ab13f3

[Taylor_Brandstetter, 2017-01-17 19:23:41]

deadbeef@chromium.org changed reviewers:
+ perkj@chromium.org

[Taylor_Brandstetter, 2017-01-17 19:23:42]

PTAL

[pthatcher1, 2017-01-17 19:35:14]

pthatcher@webrtc.org changed reviewers:
+ pthatcher@webrtc.org

[pthatcher1, 2017-01-17 19:35:14]

lgtm

[perkj_chrome, 2017-01-18 20:24:03]

lgtm

[Taylor_Brandstetter, 2017-01-18 21:22:38]

The CQ bit was checked by deadbeef@chromium.org

[commit-bot: I haz the power, 2017-01-18 21:23:26]

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, 2017-01-18 22:25:40]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484774558045090, "parent_rev":
"24bfa2fe65cc6bb73338d9d7a2f2175efee45c83", "commit_rev":
"3d9dba1c2096a55778307a3d5ad322e187ab13f3"}

[commit-bot: I haz the power, 2017-01-18 22:26:13]

Description was changed from

==========
Don't delete UMA observer until after PeerConnection.

BUG=chromium:681302
==========

to

==========
Don't delete UMA observer until after PeerConnection.

BUG=chromium:681302

Review-Url: https://codereview.chromium.org/2638993002
Cr-Commit-Position: refs/heads/master@{#444513}
Committed:
https://chromium.googlesource.com/chromium/src/+/3d9dba1c2096a55778307a3d5ad3...
==========

[commit-bot: I haz the power, 2017-01-18 22:26:14]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/3d9dba1c2096a55778307a3d5ad3...