Fix path error in getting depot dir.

Fix path error in getting depot dir.

For some reason it's failing get GetPotDir from incorrect path.  Change here is to use path from BisectPerformanceMetrics instance to generate bisect result json.

Committed: https://crrev.com/fabd08d77b7cf87d1047d77a38fcb4585d6fe82c
Cr-Commit-Position: refs/heads/master@{#380270}

[chrisphan, 2016-03-09 21:13:13]

chrisphan@chromium.org changed reviewers:
+ prasadv@chromium.org

[prasadv, 2016-03-09 22:06:28]

lgtm

[chrisphan, 2016-03-09 23:16:52]

The CQ bit was checked by chrisphan@chromium.org

[commit-bot: I haz the power, 2016-03-09 23:17:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1779943002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1779943002/1

[commit-bot: I haz the power, 2016-03-10 00:23:32]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-10 00:24:29]

Description was changed from

==========
Fix path error in getting depot dir.

For some reason it's failing get GetPotDir from incorrect path.  Change here is
to use path from BisectPerformanceMetrics instance to generate bisect result
json.
==========

to

==========
Fix path error in getting depot dir.

For some reason it's failing get GetPotDir from incorrect path.  Change here is
to use path from BisectPerformanceMetrics instance to generate bisect result
json.

Committed: https://crrev.com/fabd08d77b7cf87d1047d77a38fcb4585d6fe82c
Cr-Commit-Position: refs/heads/master@{#380270}
==========

[commit-bot: I haz the power, 2016-03-10 00:24:30]

Patchset 1 (id:??) landed as
https://crrev.com/fabd08d77b7cf87d1047d77a38fcb4585d6fe82c
Cr-Commit-Position: refs/heads/master@{#380270}