Separate out GN sanitizer flags.

Separate out GN sanitizer flags.

These flags were getting large and out of control, so it's nice to separate them from the generic compiler stuff. Also, this allows us to duplicate the GYP state where the sanitizer flags are not set on the sanitizer options helper code itself.

Committed: https://crrev.com/a39fc53cd91687078cc2f3a21518cc0704b96583
Cr-Commit-Position: refs/heads/master@{#351126}

[brettw, 2015-09-25 23:12:31]

brettw@chromium.org changed reviewers:
+ dpranke@chromium.org

[brettw, 2015-09-28 16:11:25]

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

[brettw, 2015-09-28 16:12:33]

The CQ bit was unchecked by brettw@chromium.org

[brettw, 2015-09-28 16:13:02]

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

[commit-bot: I haz the power, 2015-09-28 16:13:41]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1361323003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1361323003/20001

[commit-bot: I haz the power, 2015-09-28 16:48:47]

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

[commit-bot: I haz the power, 2015-09-28 16:48:48]

Dry run: This issue passed the CQ dry run.

[Dirk Pranke, 2015-09-28 19:11:13]

lgtm

[brettw, 2015-09-28 19:33:40]

The CQ bit was checked by brettw@chromium.org

[commit-bot: I haz the power, 2015-09-28 19:35:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1361323003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1361323003/20001

[commit-bot: I haz the power, 2015-09-28 19:44:47]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-09-28 19:46:26]

Patchset 2 (id:??) landed as
https://crrev.com/a39fc53cd91687078cc2f3a21518cc0704b96583
Cr-Commit-Position: refs/heads/master@{#351126}