https://codereview.chromium.org/2700653002/

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d76a3c6165fa6b8d279372c7c4cd5f383d63cecf

commit d76a3c6165fa6b8d279372c7c4cd5f383d63cecf
Author: tdanderson <tdanderson@chromium.org>
Date: Fri Feb 17 22:53:10 2017

[Ash MD] Remove pre-MD code from TrayImageItem and subclasses

Remove the pre-MD code and now-unused PNG assets
from the TrayImageItem class, its subclasses,
and associated default rows in the Ash system menu.

BUG= 686217 , 686256 , 687813 , 687814 , 687815 , 687818 
TEST=manual, no functional changes

Review-Url: https://codereview.chromium.org/2700653002
Cr-Commit-Position: refs/heads/master@{#451392}

[modify] https://crrev.com/d76a3c6165fa6b8d279372c7c4cd5f383d63cecf/ash/common/system/chromeos/audio/tray_audio.cc
[modify] https://crrev.com/d76a3c6165fa6b8d279372c7c4cd5f383d63cecf/ash/common/system/chromeos/tray_caps_lock.cc
[modify] https://crrev.com/d76a3c6165fa6b8d279372c7c4cd5f383d63cecf/ash/common/system/chromeos/tray_tracing.cc
[modify] https://crrev.com/d76a3c6165fa6b8d279372c7c4cd5f383d63cecf/ash/common/system/tray/tray_image_item.cc
[modify] https://crrev.com/d76a3c6165fa6b8d279372c7c4cd5f383d63cecf/ash/common/system/tray/tray_image_item.h
[modify] https://crrev.com/d76a3c6165fa6b8d279372c7c4cd5f383d63cecf/ash/common/system/tray_accessibility.cc
[modify] https://crrev.com/d76a3c6165fa6b8d279372c7c4cd5f383d63cecf/ash/common/system/update/tray_update.cc
[modify] https://crrev.com/d76a3c6165fa6b8d279372c7c4cd5f383d63cecf/ash/resources/ash_resources.grd
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_accessibility_mode.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_auto_rotate_dark.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_auto_rotate_locked.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_auto_rotate_locked_dark.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_capslock.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_capslock_dark.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_tracing.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_update.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_update_dark.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_update_dark_green.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_update_dark_orange.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_update_dark_red.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_update_green.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_update_orange.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_update_red.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_100_percent/cros/status/status_volume_mute.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_accessibility_mode.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_auto_rotate_dark.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_auto_rotate_locked.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_auto_rotate_locked_dark.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_capslock.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_capslock_dark.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_tracing.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_update.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_update_dark.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_update_dark_green.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_update_dark_orange.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_update_dark_red.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_update_green.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_update_orange.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_update_red.png
[delete] https://crrev.com/b25fc47b3517d87ea086cea8a6b96a562c2dee01/ash/resources/default_200_percent/cros/status/status_volume_mute.png
[modify] https://crrev.com/d76a3c6165fa6b8d279372c7c4cd5f383d63cecf/ash/system/chromeos/rotation/tray_rotation_lock.cc