[New Tab Page] Local NTP: bound the size of favicon image.

[New Tab Page] Local NTP: bound the size of favicon image.

Applied to the old NTP and the fast NTP. Otherwise server-injected favicon
that's bigger than 16x16 will overflow.

BUG=474102
Committed: https://crrev.com/a41990641a23ad8738881e4731022472135b2e0c
Cr-Commit-Position: refs/heads/master@{#324045}

[huangs, 2015-04-06 04:11:47]

huangs@chromium.org changed reviewers:
+ fserb@chromium.org, mathp@chromium.org

[huangs, 2015-04-06 04:11:47]

Small CSS change, but we need to merge this into M43. PTAL.

[huangs, 2015-04-06 17:59:34]

huangs@chromium.org changed reviewers:
+ samarth@chromium.org
- fserb@chromium.org, mathp@chromium.org

[huangs, 2015-04-06 17:59:34]

Holiday in Canada, so changing reviewer to samarth@. PTAL.

[Mathieu, 2015-04-07 13:32:21]

mathp@chromium.org changed reviewers:
+ mathp@chromium.org
- samarth@chromium.org

[Mathieu, 2015-04-07 13:32:21]

lgtm

[huangs, 2015-04-07 13:41:18]

Thanks! Submitting.

[huangs, 2015-04-07 13:41:22]

The CQ bit was checked by huangs@chromium.org

[commit-bot: I haz the power, 2015-04-07 13:41:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1059993002/20001

[commit-bot: I haz the power, 2015-04-07 15:21:16]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-04-07 15:22:39]

Patchset 2 (id:??) landed as
https://crrev.com/a41990641a23ad8738881e4731022472135b2e0c
Cr-Commit-Position: refs/heads/master@{#324045}