The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/184394b156baaeb9ea061711192b5a5cae697505

commit 184394b156baaeb9ea061711192b5a5cae697505
Author: estade <estade@chromium.org>
Date: Tue Feb 07 19:13:24 2017

Remove some pre-md code from TrayPopupUtils and UserView.

Consolidate some button configuration between tray label buttons and
tray image buttons (TrayPopupBorderlessButton and SystemMenuButton).

Note some of the label button border assets are still being used until
 crbug.com/686261  is addressed.

BUG= 686288 

Review-Url: https://codereview.chromium.org/2675893002
Cr-Commit-Position: refs/heads/master@{#448687}

[modify] https://crrev.com/184394b156baaeb9ea061711192b5a5cae697505/ash/common/system/chromeos/audio/volume_view.cc
[modify] https://crrev.com/184394b156baaeb9ea061711192b5a5cae697505/ash/common/system/tray/system_menu_button.cc
[modify] https://crrev.com/184394b156baaeb9ea061711192b5a5cae697505/ash/common/system/tray/tray_popup_utils.cc
[modify] https://crrev.com/184394b156baaeb9ea061711192b5a5cae697505/ash/common/system/tray/tray_popup_utils.h
[modify] https://crrev.com/184394b156baaeb9ea061711192b5a5cae697505/ash/common/system/user/user_view.cc
[modify] https://crrev.com/184394b156baaeb9ea061711192b5a5cae697505/ash/resources/ash_resources.grd
[delete] https://crrev.com/cfc62226b8b375088327fd872c621e90f36f4d7f/ash/resources/default_100_percent/common/tray_popup_public_account_logout_button_border.png
[delete] https://crrev.com/cfc62226b8b375088327fd872c621e90f36f4d7f/ash/resources/default_200_percent/common/tray_popup_public_account_logout_button_border.png
[modify] https://crrev.com/184394b156baaeb9ea061711192b5a5cae697505/ui/views/animation/ink_drop_host_view.h
[modify] https://crrev.com/184394b156baaeb9ea061711192b5a5cae697505/ui/views/controls/button/custom_button.h

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/66c91e5046e5f7430e4f62593a1fe5d6dfe347de

commit 66c91e5046e5f7430e4f62593a1fe5d6dfe347de
Author: estade <estade@chromium.org>
Date: Wed Feb 22 18:52:10 2017

Remove last MD reference from TrayPopupUtils.

Remove NonMdSlider. Merge MdSlider and Slider.

BUG= 686288 , 686215 

Review-Url: https://codereview.chromium.org/2692043009
Cr-Commit-Position: refs/heads/master@{#452148}

[modify] https://crrev.com/66c91e5046e5f7430e4f62593a1fe5d6dfe347de/ash/common/system/tray/tray_constants.cc
[modify] https://crrev.com/66c91e5046e5f7430e4f62593a1fe5d6dfe347de/ash/common/system/tray/tray_constants.h
[modify] https://crrev.com/66c91e5046e5f7430e4f62593a1fe5d6dfe347de/ash/common/system/tray/tray_popup_utils.cc
[modify] https://crrev.com/66c91e5046e5f7430e4f62593a1fe5d6dfe347de/ui/views/BUILD.gn
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/controls/md_slider.cc
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/controls/md_slider.h
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/controls/non_md_slider.cc
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/controls/non_md_slider.h
[modify] https://crrev.com/66c91e5046e5f7430e4f62593a1fe5d6dfe347de/ui/views/controls/slider.cc
[modify] https://crrev.com/66c91e5046e5f7430e4f62593a1fe5d6dfe347de/ui/views/controls/slider.h
[modify] https://crrev.com/66c91e5046e5f7430e4f62593a1fe5d6dfe347de/ui/views/controls/slider_unittest.cc
[modify] https://crrev.com/66c91e5046e5f7430e4f62593a1fe5d6dfe347de/ui/views/examples/slider_example.cc
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_100_percent/slider_center_active.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_100_percent/slider_center_disabled.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_100_percent/slider_center_pressed.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_100_percent/slider_left_active.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_100_percent/slider_left_disabled.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_100_percent/slider_left_pressed.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_100_percent/slider_right_disabled.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_100_percent/slider_right_pressed.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_100_percent/slider_thumb.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_100_percent/slider_thumb_disabled.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_200_percent/slider_center_active.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_200_percent/slider_center_disabled.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_200_percent/slider_center_pressed.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_200_percent/slider_left_active.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_200_percent/slider_left_disabled.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_200_percent/slider_left_pressed.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_200_percent/slider_right_disabled.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_200_percent/slider_right_pressed.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_200_percent/slider_thumb.png
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/resources/default_200_percent/slider_thumb_disabled.png
[modify] https://crrev.com/66c91e5046e5f7430e4f62593a1fe5d6dfe347de/ui/views/resources/views_resources.grd
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/test/test_slider.cc
[delete] https://crrev.com/661aefbaac632bfaccfdb91a48242817de30a500/ui/views/test/test_slider.h

Evan can this be marked Fixed for m-58 or should this be punted to m-59?

seems fixed