Re-land "Flip linux blink bots to GN."

Re-land "Flip linux blink bots to GN."

This reverts #364362 and re-lands #364236, now that the
underlying issue w/ webkit_unit_tests has been addressed.

TBR=thakis@chromium.org
BUG=432959
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel,linux_blink_oilpan_rel

Committed: https://crrev.com/15cc4d66b90e7b339c9f17e4cf86390d0178ad9e
Cr-Commit-Position: refs/heads/master@{#364506}

[Dirk Pranke, 2015-12-10 20:09:02]

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

[Nico, 2015-12-10 20:09:37]

rs-lgtm

[commit-bot: I haz the power, 2015-12-10 20:12:59]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1506333004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1506333004/1

[commit-bot: I haz the power, 2015-12-10 22:12:03]

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

[commit-bot: I haz the power, 2015-12-10 22:12:04]

Dry run: This issue passed the CQ dry run.

[Dirk Pranke, 2015-12-10 22:19:23]

The CQ bit was checked by dpranke@chromium.org

[commit-bot: I haz the power, 2015-12-10 22:20:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1506333004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1506333004/1

[commit-bot: I haz the power, 2015-12-10 22:28:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-10 22:29:23]

Description was changed from

==========
Re-land "Flip linux blink bots to GN."

This reverts #364362 and re-lands #364236, now that the
underlying issue w/ webkit_unit_tests has been addressed.

TBR=thakis@chromium.org
BUG=432959
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel,linux_blink_oilpan_rel
==========

to

==========
Re-land "Flip linux blink bots to GN."

This reverts #364362 and re-lands #364236, now that the
underlying issue w/ webkit_unit_tests has been addressed.

TBR=thakis@chromium.org
BUG=432959
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel,linux_blink_oilpan_rel

Committed: https://crrev.com/15cc4d66b90e7b339c9f17e4cf86390d0178ad9e
Cr-Commit-Position: refs/heads/master@{#364506}
==========

[commit-bot: I haz the power, 2015-12-10 22:29:23]

Patchset 1 (id:??) landed as
https://crrev.com/15cc4d66b90e7b339c9f17e4cf86390d0178ad9e
Cr-Commit-Position: refs/heads/master@{#364506}