Do not use a non-standard label attribute in shadow-dom.js

Do not use a non-standard label attribute in shadow-dom.js

See https://codereview.chromium.org/2030513002#msg22 for the context.
Use id, instead of label.

BUG=531990
Committed: https://crrev.com/8258ecdafbf39b5adf9d1c86a859db31ba5cd92b
Cr-Commit-Position: refs/heads/master@{#397620}

[hayato, 2016-06-03 02:43:27]

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

[commit-bot: I haz the power, 2016-06-03 02:44:08]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2036933002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2036933002/1

[hayato, 2016-06-03 02:44:14]

Description was changed from

==========
Do not use non-standard label attribute in shadow-dom.js

See https://codereview.chromium.org/2030513002#msg22 for the context.
Instead of `label`, use `id`.

BUG=531990
==========

to

==========
Do not use a non-standard label attribute in shadow-dom.js

See https://codereview.chromium.org/2030513002#msg22 for the context.
Use `id`, instead of `label`.

BUG=531990
==========

[hayato, 2016-06-03 02:44:48]

Description was changed from

==========
Do not use a non-standard label attribute in shadow-dom.js

See https://codereview.chromium.org/2030513002#msg22 for the context.
Use `id`, instead of `label`.

BUG=531990
==========

to

==========
Do not use a non-standard label attribute in shadow-dom.js

See https://codereview.chromium.org/2030513002#msg22 for the context.
Use id, instead of label.

BUG=531990
==========

[hayato, 2016-06-03 02:45:19]

hayato@chromium.org changed reviewers:
+ tkent@chromium.org

[hayato, 2016-06-03 02:45:20]

PTAL

[tkent, 2016-06-03 02:47:56]

lgtm

[hayato, 2016-06-03 02:53:39]

The CQ bit was unchecked by hayato@chromium.org

[hayato, 2016-06-03 02:53:41]

The CQ bit was checked by hayato@chromium.org

[commit-bot: I haz the power, 2016-06-03 02:54:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2036933002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2036933002/1

[commit-bot: I haz the power, 2016-06-03 03:49:03]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-03 03:50:12]

Description was changed from

==========
Do not use a non-standard label attribute in shadow-dom.js

See https://codereview.chromium.org/2030513002#msg22 for the context.
Use id, instead of label.

BUG=531990
==========

to

==========
Do not use a non-standard label attribute in shadow-dom.js

See https://codereview.chromium.org/2030513002#msg22 for the context.
Use id, instead of label.

BUG=531990

Committed: https://crrev.com/8258ecdafbf39b5adf9d1c86a859db31ba5cd92b
Cr-Commit-Position: refs/heads/master@{#397620}
==========

[commit-bot: I haz the power, 2016-06-03 03:50:13]

Patchset 1 (id:??) landed as
https://crrev.com/8258ecdafbf39b5adf9d1c86a859db31ba5cd92b
Cr-Commit-Position: refs/heads/master@{#397620}