Make RubyPosition an enum class.

Make RubyPosition an enum class.

This patch makes RubyPosition an enum class for better type safety.

BUG=684966
Review-Url: https://codereview.chromium.org/2897883002
Cr-Commit-Position: refs/heads/master@{#474923}
Committed: https://chromium.googlesource.com/chromium/src/+/ec8d10454b0e3672746db92a5d2dee67f5e336dc

[shend, 2017-05-24 00:10:41]

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

[commit-bot: I haz the power, 2017-05-24 00:12:16]

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, 2017-05-24 04:10:04]

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

[commit-bot: I haz the power, 2017-05-24 04:10:05]

Dry run: This issue passed the CQ dry run.

[shend, 2017-05-25 23:27:40]

shend@chromium.org changed reviewers:
+ meade@chromium.org

[shend, 2017-05-25 23:27:41]

Hi Eddy, PTAL

[shend, 2017-05-25 23:28:54]

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

[commit-bot: I haz the power, 2017-05-25 23:29:52]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[meade_UTC10, 2017-05-26 05:12:12]

lgtm

[commit-bot: I haz the power, 2017-05-26 05:17:45]

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

[commit-bot: I haz the power, 2017-05-26 05:17:46]

Dry run: This issue passed the CQ dry run.

[shend, 2017-05-26 05:21:56]

The CQ bit was checked by shend@chromium.org

[commit-bot: I haz the power, 2017-05-26 05:22:38]

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, 2017-05-26 05:27:40]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1495776116750190,
"parent_rev": "301b00f0c3b91119545da8f1762dcba0f665697e", "commit_rev":
"ec8d10454b0e3672746db92a5d2dee67f5e336dc"}

[commit-bot: I haz the power, 2017-05-26 05:27:48]

Description was changed from

==========
Make RubyPosition an enum class.

This patch makes RubyPosition an enum class for better type safety.

BUG=684966
==========

to

==========
Make RubyPosition an enum class.

This patch makes RubyPosition an enum class for better type safety.

BUG=684966

Review-Url: https://codereview.chromium.org/2897883002
Cr-Commit-Position: refs/heads/master@{#474923}
Committed:
https://chromium.googlesource.com/chromium/src/+/ec8d10454b0e3672746db92a5d2d...
==========

[commit-bot: I haz the power, 2017-05-26 05:27:49]

Committed patchset #3 (id:40001) as
https://chromium.googlesource.com/chromium/src/+/ec8d10454b0e3672746db92a5d2d...