Fix the script used to roll GN.

Fix the script used to roll GN.

This updates the script to handle the latest inconsistencies in
the buildbot step logging, and also removes the CQ_EXTRA_TRYBOTS
logic for the old builders.

R=brettw@chromium.org

Committed: https://crrev.com/061d24c115ac682e388c25fbccdd012fbb7c1a63
Cr-Commit-Position: refs/heads/master@{#403693}

[Dirk Pranke, 2016-07-03 20:29:56]

The CQ bit was checked by dpranke@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-07-03 20:30:13]

Dry run: 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, 2016-07-03 21:14:06]

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

[commit-bot: I haz the power, 2016-07-03 21:14:07]

Dry run: This issue passed the CQ dry run.

[brettw, 2016-07-03 23:26:29]

lgtm

https://codereview.chromium.org/2120673003/diff/1/tools/gn/bin/roll_gn.py
File tools/gn/bin/roll_gn.py (right):

https://codereview.chromium.org/2120673003/diff/1/tools/gn/bin/roll_gn.py#new...
tools/gn/bin/roll_gn.py:278: # restarted we can probably assert that the step
text
This doesn't quite parse in English "assert that the step text with the step
name"

[Dirk Pranke, 2016-07-04 16:41:21]

The CQ bit was checked by dpranke@chromium.org

[commit-bot: I haz the power, 2016-07-04 16:41:40]

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, 2016-07-04 16:44:55]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-04 16:44:58]

CQ bit was unchecked.

[commit-bot: I haz the power, 2016-07-04 16:47:01]

Description was changed from

==========
Fix the script used to roll GN.

This updates the script to handle the latest inconsistencies in
the buildbot step logging, and also removes the CQ_EXTRA_TRYBOTS
logic for the old builders.

R=brettw@chromium.org
==========

to

==========
Fix the script used to roll GN.

This updates the script to handle the latest inconsistencies in
the buildbot step logging, and also removes the CQ_EXTRA_TRYBOTS
logic for the old builders.

R=brettw@chromium.org

Committed: https://crrev.com/061d24c115ac682e388c25fbccdd012fbb7c1a63
Cr-Commit-Position: refs/heads/master@{#403693}
==========

[commit-bot: I haz the power, 2016-07-04 16:47:02]

Patchset 1 (id:??) landed as
https://crrev.com/061d24c115ac682e388c25fbccdd012fbb7c1a63
Cr-Commit-Position: refs/heads/master@{#403693}