Reset underflow count upon seek event.

Reset underflow count upon seek event.

This is inline with what we do for watch time and prevents looping
videos from skewing underflow counts.

BUG=641633
Committed: https://crrev.com/af34d871739e277c5807de7d646de6b1ef49c07a
Cr-Commit-Position: refs/heads/master@{#419679}

[DaleCurtis, 2016-09-19 23:50:40]

dalecurtis@chromium.org changed reviewers:
+ chcunningham@chromium.org

[chcunningham, 2016-09-20 00:12:02]

lgtm

[DaleCurtis, 2016-09-20 00:16:23]

The CQ bit was checked by dalecurtis@chromium.org

[commit-bot: I haz the power, 2016-09-20 00:17:09]

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, 2016-09-20 01:36:34]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-09-20 01:36:35]

Try jobs failed on following builders:
  linux_android_rel_ng on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/linux_androi...)

[DaleCurtis, 2016-09-20 03:18:52]

The CQ bit was checked by dalecurtis@chromium.org

[commit-bot: I haz the power, 2016-09-20 03:19:03]

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, 2016-09-20 04:32:46]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-20 04:35:02]

Description was changed from

==========
Reset underflow count upon seek event.

This is inline with what we do for watch time and prevents looping
videos from skewing underflow counts.

BUG=641633
==========

to

==========
Reset underflow count upon seek event.

This is inline with what we do for watch time and prevents looping
videos from skewing underflow counts.

BUG=641633

Committed: https://crrev.com/af34d871739e277c5807de7d646de6b1ef49c07a
Cr-Commit-Position: refs/heads/master@{#419679}
==========

[commit-bot: I haz the power, 2016-09-20 04:35:03]

Patchset 1 (id:??) landed as
https://crrev.com/af34d871739e277c5807de7d646de6b1ef49c07a
Cr-Commit-Position: refs/heads/master@{#419679}