Fix missing dependencies in content/app.

Fix missing dependencies in content/app.

These caused problems with generated mojo files, i.e.
https://luci-milo.appspot.com/buildbot/chromium/Win/51874
and
b/34895010

Review-Url: https://codereview.chromium.org/2696953002
Cr-Commit-Position: refs/heads/master@{#450772}
Committed: https://chromium.googlesource.com/chromium/src/+/ce6dd211422093c0d556255b4275651b0da982fc

[jam, 2017-02-14 23:11:15]

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

[commit-bot: I haz the power, 2017-02-14 23:12:05]

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, 2017-02-14 23:21:17]

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

[commit-bot: I haz the power, 2017-02-14 23:21:18]

Dry run: Try jobs failed on following builders:
  android_clang_dbg_recipe on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/android_clan...)

[jam, 2017-02-14 23:25:40]

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

[commit-bot: I haz the power, 2017-02-14 23:26:27]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[jam, 2017-02-15 00:20:07]

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

[commit-bot: I haz the power, 2017-02-15 01:34:57]

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

[commit-bot: I haz the power, 2017-02-15 01:34:57]

Dry run: This issue passed the CQ dry run.

[brettw, 2017-02-15 18:23:50]

lgtm

[jam, 2017-02-15 18:28:57]

The CQ bit was checked by jam@chromium.org

[commit-bot: I haz the power, 2017-02-15 18:29:57]

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, 2017-02-15 19:31:46]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1487183337552350,
"parent_rev": "309144e249c9e013aa4bfd03ff246481b0ac3ed8", "commit_rev":
"ce6dd211422093c0d556255b4275651b0da982fc"}

[commit-bot: I haz the power, 2017-02-15 19:36:29]

Description was changed from

==========
Fix missing dependencies in content/app.

These caused problems with generated mojo files, i.e.
https://luci-milo.appspot.com/buildbot/chromium/Win/51874
and
b/34895010
==========

to

==========
Fix missing dependencies in content/app.

These caused problems with generated mojo files, i.e.
https://luci-milo.appspot.com/buildbot/chromium/Win/51874
and
b/34895010

Review-Url: https://codereview.chromium.org/2696953002
Cr-Commit-Position: refs/heads/master@{#450772}
Committed:
https://chromium.googlesource.com/chromium/src/+/ce6dd211422093c0d556255b4275...
==========

[commit-bot: I haz the power, 2017-02-15 19:36:30]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/ce6dd211422093c0d556255b4275...