The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/cd95e0083676d5e1b82a3bad0c2ccef61b557230

commit cd95e0083676d5e1b82a3bad0c2ccef61b557230
Author: jwd <jwd@chromium.org>
Date: Mon Mar 27 21:30:57 2017

Revert of Remove some pre-md code and assets. (patchset #3 id:40001 of https://codereview.chromium.org/2770953003/ )

Reason for revert:
Causing failures on chromium.chromiumos/Linux ChromiumOS Tests (dbg)(1)

BUG= 705678 

Original issue's description:
> Remove some pre-md code and assets.
>
> BUG= 687816 , 686234 , 686335 
>
> Review-Url: https://codereview.chromium.org/2770953003
> Cr-Commit-Position: refs/heads/master@{#459837}
> Committed: https://chromium.googlesource.com/chromium/src/+/36cfbe932ed734d1935b8eeb9273aff1b80c598c

TBR=tdanderson@chromium.org,estade@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG= 687816 , 686234 , 686335 

Review-Url: https://codereview.chromium.org/2776973005
Cr-Commit-Position: refs/heads/master@{#459887}

[modify] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/BUILD.gn
[modify] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/common/system/chromeos/brightness/tray_brightness.cc
[modify] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/common/system/chromeos/power/power_status.cc
[modify] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/common/system/chromeos/power/power_status.h
[modify] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/common/system/chromeos/power/power_status_unittest.cc
[modify] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/common/system/chromeos/session/tray_session_length_limit.cc
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/common/system/chromeos/settings/tray_settings.cc
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/common/system/chromeos/settings/tray_settings.h
[modify] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/common/system/tray/system_tray.cc
[modify] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/ash_resources.grd
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/default_100_percent/cros/notification/notification_session_length_timer.png
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/default_100_percent/cros/status/status_brightness.png
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/default_100_percent/cros/status/status_power_small_all.png
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/default_100_percent/cros/status/status_power_small_all_dark.png
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/default_100_percent/cros/status/status_power_small_all_dark_fluctuating.png
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/default_100_percent/cros/status/status_power_small_all_fluctuating.png
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/default_100_percent/cros/status/status_settings.png
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/default_200_percent/cros/notification/notification_session_length_timer.png
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/default_200_percent/cros/status/status_brightness.png
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/default_200_percent/cros/status/status_power_small_all.png
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/default_200_percent/cros/status/status_power_small_all_dark.png
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/default_200_percent/cros/status/status_power_small_all_dark_fluctuating.png
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/default_200_percent/cros/status/status_power_small_all_fluctuating.png
[add] https://crrev.com/cd95e0083676d5e1b82a3bad0c2ccef61b557230/ash/resources/default_200_percent/cros/status/status_settings.png

The bot is green now.