DevTools: Add toolbar bottom separator to timeline tree views.

DevTools: Add toolbar bottom separator to timeline tree views.

TBR=caseq@chromium.org
NOTRY=true

Review-Url: https://codereview.chromium.org/2685893003
Cr-Commit-Position: refs/heads/master@{#449074}
Committed: https://chromium.googlesource.com/chromium/src/+/372f7381294f42d7a1eca3faf806e04d53fd357d

[alph, 2017-02-08 20:09:46]

The CQ bit was checked by alph@chromium.org

[commit-bot: I haz the power, 2017-02-08 20:10:15]

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, 2017-02-08 20:15:12]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1486584586008790, "parent_rev":
"27a8cfde871ad4786943a345569f36c9a5ba6e29", "commit_rev":
"372f7381294f42d7a1eca3faf806e04d53fd357d"}

[commit-bot: I haz the power, 2017-02-08 20:16:57]

Description was changed from

==========
DevTools: Add toolbar bottom separator to timeline tree views.

TBR=caseq@chromium.org
NOTRY=true
==========

to

==========
DevTools: Add toolbar bottom separator to timeline tree views.

TBR=caseq@chromium.org
NOTRY=true

Review-Url: https://codereview.chromium.org/2685893003
Cr-Commit-Position: refs/heads/master@{#449074}
Committed:
https://chromium.googlesource.com/chromium/src/+/372f7381294f42d7a1eca3faf806...
==========

[commit-bot: I haz the power, 2017-02-08 20:16:58]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/372f7381294f42d7a1eca3faf806...