[Media, UI] Improve large icon in MediaNotification

[Media, UI] Improve large icon in MediaNotification

This CL sets a new minimal favicon size to be used as MediaNotification
large icon. Also, this CL removes the media session image since they
usually look bad on lockscreen.

BUG=599937
Committed: https://crrev.com/b08510c91c582eec094f03a1230b6f12158019a8
Cr-Commit-Position: refs/heads/master@{#392047}

[Zhiqiang Zhang (Slow), 2016-05-05 17:34:52]

zqzhang@chromium.org changed reviewers:
+ mlamouri@chromium.org

[Zhiqiang Zhang (Slow), 2016-05-05 17:35:00]

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

[commit-bot: I haz the power, 2016-05-05 17:35:34]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1948123004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1948123004/1

[commit-bot: I haz the power, 2016-05-05 19:07:00]

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

[commit-bot: I haz the power, 2016-05-05 19:07:00]

Dry run: This issue passed the CQ dry run.

[mlamouri (slow - plz ping), 2016-05-06 13:31:54]

lgtm

[Zhiqiang Zhang (Slow), 2016-05-06 13:43:59]

The CQ bit was checked by zqzhang@chromium.org

[commit-bot: I haz the power, 2016-05-06 13:44:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1948123004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1948123004/1

[commit-bot: I haz the power, 2016-05-06 13:47:33]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-06 13:49:07]

Description was changed from

==========
[Media, UI] Improve large icon in MediaNotification

This CL sets a new minimal favicon size to be used as MediaNotification
large icon. Also, this CL removes the media session image since they
usually look bad on lockscreen.

BUG=599937
==========

to

==========
[Media, UI] Improve large icon in MediaNotification

This CL sets a new minimal favicon size to be used as MediaNotification
large icon. Also, this CL removes the media session image since they
usually look bad on lockscreen.

BUG=599937

Committed: https://crrev.com/b08510c91c582eec094f03a1230b6f12158019a8
Cr-Commit-Position: refs/heads/master@{#392047}
==========

[commit-bot: I haz the power, 2016-05-06 13:49:08]

Patchset 1 (id:??) landed as
https://crrev.com/b08510c91c582eec094f03a1230b6f12158019a8
Cr-Commit-Position: refs/heads/master@{#392047}