Add per-file Site Isolation owners to chromium.fyi.json.

Add per-file Site Isolation owners to chromium.fyi.json.

We'll use this to manage the list of tests on the Site Isolation FYI bots.

BUG=417518
Committed: https://crrev.com/ab92f9d2e6c3fa9bcaa32f2ea4a985bff50a4e57
Cr-Commit-Position: refs/heads/master@{#356916}

[Charlie Reis, 2015-10-27 23:34:59]

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

[Charlie Reis, 2015-10-27 23:34:59]

John-- thanks for the suggestion to do this, since we're just TBR'ing you for
these anyway.

[jam, 2015-10-29 16:12:53]

lgtm

[Charlie Reis, 2015-10-29 16:21:42]

The CQ bit was checked by creis@chromium.org

[commit-bot: I haz the power, 2015-10-29 16:22:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1416223003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1416223003/1

[commit-bot: I haz the power, 2015-10-29 18:09:38]

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

[commit-bot: I haz the power, 2015-10-29 18:09:38]

Try jobs failed on following builders:
  linux_android_rel_ng on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_android_r...)

[Charlie Reis, 2015-10-29 18:28:21]

The CQ bit was checked by creis@chromium.org

[commit-bot: I haz the power, 2015-10-29 18:28:58]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1416223003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1416223003/1

[commit-bot: I haz the power, 2015-10-29 19:36:40]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-29 19:37:39]

Patchset 1 (id:??) landed as
https://crrev.com/ab92f9d2e6c3fa9bcaa32f2ea4a985bff50a4e57
Cr-Commit-Position: refs/heads/master@{#356916}