[MD settings] update docs to refer to $i18n

[MD settings] update docs to refer to $i18n

This CL updates the docs to describe how to use $i18n{} rather than
using i18n-content.

BUG=722505, 677338
Review-Url: https://codereview.chromium.org/2887503002
Cr-Commit-Position: refs/heads/master@{#471967}
Committed: https://chromium.googlesource.com/chromium/src/+/fd1fe22c153c500c60ffd85cb32eb6576e8ea1ad

[dschuyler, 2017-05-15 19:21:09]

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

[dschuyler, 2017-05-15 19:21:44]

dschuyler@chromium.org changed reviewers:
+ tommycli@chromium.org

[dschuyler, 2017-05-15 19:21:45]

ptal

[commit-bot: I haz the power, 2017-05-15 19:22:02]

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, 2017-05-15 19:46:07]

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

[commit-bot: I haz the power, 2017-05-15 19:46:08]

Dry run: This issue passed the CQ dry run.

[tommycli, 2017-05-16 00:11:16]

lgtm

[dschuyler, 2017-05-16 00:26:35]

The CQ bit was checked by dschuyler@chromium.org

[commit-bot: I haz the power, 2017-05-16 00:27:47]

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, 2017-05-16 01:14:10]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1494894395344160, "parent_rev":
"0d2bac567d775397058622d6434702ede6c1d580", "commit_rev":
"fd1fe22c153c500c60ffd85cb32eb6576e8ea1ad"}

[commit-bot: I haz the power, 2017-05-16 01:14:38]

Description was changed from

==========
[MD settings] update docs to refer to $i18n

This CL updates the docs to describe how to use $i18n{} rather than
using i18n-content.

BUG=722505, 677338
==========

to

==========
[MD settings] update docs to refer to $i18n

This CL updates the docs to describe how to use $i18n{} rather than
using i18n-content.

BUG=722505, 677338

Review-Url: https://codereview.chromium.org/2887503002
Cr-Commit-Position: refs/heads/master@{#471967}
Committed:
https://chromium.googlesource.com/chromium/src/+/fd1fe22c153c500c60ffd85cb32e...
==========

[commit-bot: I haz the power, 2017-05-16 01:14:39]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/fd1fe22c153c500c60ffd85cb32e...