The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/8d97710b15a51c4e2cec80be55d97bc722f84fb1

commit 8d97710b15a51c4e2cec80be55d97bc722f84fb1
Author: mohsen <mohsen@chromium.org>
Date: Fri Mar 10 02:04:30 2017

Remove non-MD code from TrayBackgroundView

BUG= 687806 
TEST=none

Review-Url: https://codereview.chromium.org/2723843002
Cr-Commit-Position: refs/heads/master@{#455957}

[modify] https://crrev.com/8d97710b15a51c4e2cec80be55d97bc722f84fb1/ash/common/system/chromeos/ime_menu/ime_menu_tray.cc
[modify] https://crrev.com/8d97710b15a51c4e2cec80be55d97bc722f84fb1/ash/common/system/chromeos/palette/palette_tray.cc
[modify] https://crrev.com/8d97710b15a51c4e2cec80be55d97bc722f84fb1/ash/common/system/chromeos/session/logout_button_tray.cc
[modify] https://crrev.com/8d97710b15a51c4e2cec80be55d97bc722f84fb1/ash/common/system/chromeos/session/logout_button_tray.h
[modify] https://crrev.com/8d97710b15a51c4e2cec80be55d97bc722f84fb1/ash/common/system/chromeos/virtual_keyboard/virtual_keyboard_tray.cc
[modify] https://crrev.com/8d97710b15a51c4e2cec80be55d97bc722f84fb1/ash/common/system/overview/overview_button_tray.cc
[modify] https://crrev.com/8d97710b15a51c4e2cec80be55d97bc722f84fb1/ash/common/system/tray/system_tray.cc
[modify] https://crrev.com/8d97710b15a51c4e2cec80be55d97bc722f84fb1/ash/common/system/tray/tray_background_view.cc
[modify] https://crrev.com/8d97710b15a51c4e2cec80be55d97bc722f84fb1/ash/common/system/tray/tray_background_view.h
[modify] https://crrev.com/8d97710b15a51c4e2cec80be55d97bc722f84fb1/ash/common/system/web_notification/web_notification_tray.cc
[modify] https://crrev.com/8d97710b15a51c4e2cec80be55d97bc722f84fb1/ash/resources/ash_resources.grd
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_normal_center.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_normal_left.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_normal_onblack_center.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_normal_onblack_left.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_normal_onblack_right.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_normal_right.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_pressed_center.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_pressed_left.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_pressed_right.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_vertical_normal_bottom.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_vertical_normal_center.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_vertical_normal_onblack_bottom.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_vertical_normal_onblack_center.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_vertical_normal_onblack_top.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_vertical_normal_top.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_vertical_pressed_bottom.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_vertical_pressed_center.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_100_percent/common/shelf/status_tray_vertical_pressed_top.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_normal_center.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_normal_left.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_normal_onblack_center.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_normal_onblack_left.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_normal_onblack_right.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_normal_right.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_pressed_center.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_pressed_left.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_pressed_right.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_vertical_normal_bottom.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_vertical_normal_center.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_vertical_normal_onblack_bottom.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_vertical_normal_onblack_center.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_vertical_normal_onblack_top.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_vertical_normal_top.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_vertical_pressed_bottom.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_vertical_pressed_center.png
[delete] https://crrev.com/d8ee83729c29c767b7465dc23940b83a8a88fb89/ash/resources/default_200_percent/common/shelf/status_tray_vertical_pressed_top.png
[modify] https://crrev.com/8d97710b15a51c4e2cec80be55d97bc722f84fb1/ui/views/animation/ink_drop_host_view.h