The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/22ccebfe9229626c14dec05eceebf322d83185a4

commit 22ccebfe9229626c14dec05eceebf322d83185a4
Author: Findit <findit-for-me@appspot.gserviceaccount.com>
Date: Tue Dec 18 03:35:08 2018

Revert "Reland: [Accessibility] Volume slider reads out level in percentages."

This reverts commit d018c076e85d75d8a72ef4a7f8adf53bedb4b0bd.

Reason for revert:

Findit (https://goo.gl/kROfz5) identified CL at revision 617338 as the
culprit for flakes in the build cycles as shown on:
https://findit-for-me.appspot.com/waterfall/flake/flake-culprit?key=ag9zfmZpbmRpdC1mb3ItbWVyQwsSDEZsYWtlQ3VscHJpdCIxY2hyb21pdW0vZDAxOGMwNzZlODVkNzVkOGE3MmVmNGE3ZjhhZGY1M2JlZGI0YjBiZAw

Sample Failed Build: https://ci.chromium.org/buildbot/chromium.chromiumos/linux-chromeos-rel/17415

Sample Failed Step: single_process_mash_content_browsertests

Sample Flaky Test: DumpAccessibilityTreeTest.AccessibilityVideoControls

Original change's description:
> Reland: [Accessibility] Volume slider reads out level in percentages.
> 
> This is a reland of change I0ee5a91215669f39c7394d3c8f113ae83a74cf00
> 
> This CL makes it such that the volume level is read out as a percentage
> in aria. This CL also amplifies how the accessibility information is
> given to aria, by setting attributes instead of explicitly creating
> accessibility nodes.
> 
> TBR=thakis@chromium.org
> 
> Bug:  905024 
> Change-Id: I831d9ed1f1790556d1a58431f3aaf9562c2c9043
> Reviewed-on: https://chromium-review.googlesource.com/c/1373032
> Reviewed-by: CJ DiMeglio <lethalantidote@chromium.org>
> Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
> Reviewed-by: Mounir Lamouri <mlamouri@chromium.org>
> Commit-Queue: CJ DiMeglio <lethalantidote@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#617338}

Change-Id: I18c48f0c2f1c732e6be8b74690360382f6c7f3d3
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug:  905024 , 916003
Reviewed-on: https://chromium-review.googlesource.com/c/1381725
Cr-Commit-Position: refs/heads/master@{#617365}
[modify] https://crrev.com/22ccebfe9229626c14dec05eceebf322d83185a4/content/browser/accessibility/dump_accessibility_tree_browsertest.cc
[delete] https://crrev.com/f28bd2cc028ea9886e33a55a25c8ec03c380261a/content/test/data/accessibility/html/video-controls-expected-auralinux.txt
[delete] https://crrev.com/f28bd2cc028ea9886e33a55a25c8ec03c380261a/content/test/data/accessibility/html/video-controls-expected-blink.txt
[delete] https://crrev.com/f28bd2cc028ea9886e33a55a25c8ec03c380261a/content/test/data/accessibility/html/video-controls.html
[modify] https://crrev.com/22ccebfe9229626c14dec05eceebf322d83185a4/testing/buildbot/filters/chromeos.single_process_mash.browser_tests.filter
[delete] https://crrev.com/f28bd2cc028ea9886e33a55a25c8ec03c380261a/third_party/WebKit/LayoutTests/media/controls/accessibility-volume-slider.html
[modify] https://crrev.com/22ccebfe9229626c14dec05eceebf322d83185a4/third_party/blink/renderer/modules/accessibility/ax_media_controls.cc
[modify] https://crrev.com/22ccebfe9229626c14dec05eceebf322d83185a4/third_party/blink/renderer/modules/accessibility/ax_media_controls.h
[modify] https://crrev.com/22ccebfe9229626c14dec05eceebf322d83185a4/third_party/blink/renderer/modules/accessibility/ax_object_cache_impl.cc
[modify] https://crrev.com/22ccebfe9229626c14dec05eceebf322d83185a4/third_party/blink/renderer/modules/media_controls/elements/media_control_volume_slider_element.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/70a1fffbdceeb2a4ad0a5e22c255f4ca12a6597b

commit 70a1fffbdceeb2a4ad0a5e22c255f4ca12a6597b
Author: Findit <findit-for-me@appspot.gserviceaccount.com>
Date: Wed Dec 26 21:36:48 2018

Revert "Reland "Reland: [Accessibility] Volume slider reads out level in percentages.""

This reverts commit 543a2def162aeb06e9709ed4b8e4f074d9d8c18e.

Reason for revert:

Findit (https://goo.gl/kROfz5) identified CL at revision 618940 as the
culprit for flakes in the build cycles as shown on:
https://findit-for-me.appspot.com/waterfall/flake/flake-culprit?key=ag9zfmZpbmRpdC1mb3ItbWVyQwsSDEZsYWtlQ3VscHJpdCIxY2hyb21pdW0vNTQzYTJkZWYxNjJhZWIwNmU5NzA5ZWQ0YjhlNGYwNzRkOWQ4YzE4ZQw

Sample Failed Build: https://ci.chromium.org/buildbot/chromium.linux/linux-xenial-rel/5873

Sample Failed Step: network_service_content_browsertests on Ubuntu-16.04

Sample Flaky Test: DumpAccessibilityTreeTest.AccessibilityVideoControls

Original change's description:
> Reland "Reland: [Accessibility] Volume slider reads out level in percentages."
> 
> This is a reland of d018c076e85d75d8a72ef4a7f8adf53bedb4b0bd
> 
> Original change's description:
> > Reland: [Accessibility] Volume slider reads out level in percentages.
> >
> > This is a reland of change I0ee5a91215669f39c7394d3c8f113ae83a74cf00
> >
> > This CL makes it such that the volume level is read out as a percentage
> > in aria. This CL also amplifies how the accessibility information is
> > given to aria, by setting attributes instead of explicitly creating
> > accessibility nodes.
> >
> > TBR=thakis@chromium.org
> >
> > Bug:  905024 
> > Change-Id: I831d9ed1f1790556d1a58431f3aaf9562c2c9043
> > Reviewed-on: https://chromium-review.googlesource.com/c/1373032
> > Reviewed-by: CJ DiMeglio <lethalantidote@chromium.org>
> > Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
> > Reviewed-by: Mounir Lamouri <mlamouri@chromium.org>
> > Commit-Queue: CJ DiMeglio <lethalantidote@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#617338}
> 
> TBR=thakis@chromium.org,dmazzoni@chromium.org,mlamouri@chromium.org
> 
> Bug:  905024 
> Change-Id: Ie308a4b30032491333072681fcf214a9fab58d5c
> Reviewed-on: https://chromium-review.googlesource.com/c/1383307
> Reviewed-by: CJ DiMeglio <lethalantidote@chromium.org>
> Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
> Commit-Queue: CJ DiMeglio <lethalantidote@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#618940}

Change-Id: I3dca4908cc62c213585bc99eefe73f114bd55fe9
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug:  905024 , 916003
Reviewed-on: https://chromium-review.googlesource.com/c/1391326
Cr-Commit-Position: refs/heads/master@{#618963}
[modify] https://crrev.com/70a1fffbdceeb2a4ad0a5e22c255f4ca12a6597b/content/browser/accessibility/dump_accessibility_tree_browsertest.cc
[delete] https://crrev.com/e7caa7ca82fc015675aea8cecf178c83a94ab3a7/content/test/data/accessibility/html/video-controls-expected-auralinux.txt
[delete] https://crrev.com/e7caa7ca82fc015675aea8cecf178c83a94ab3a7/content/test/data/accessibility/html/video-controls-expected-blink.txt
[delete] https://crrev.com/e7caa7ca82fc015675aea8cecf178c83a94ab3a7/content/test/data/accessibility/html/video-controls.html
[delete] https://crrev.com/e7caa7ca82fc015675aea8cecf178c83a94ab3a7/third_party/WebKit/LayoutTests/media/controls/accessibility-volume-slider.html
[modify] https://crrev.com/70a1fffbdceeb2a4ad0a5e22c255f4ca12a6597b/third_party/blink/renderer/modules/accessibility/ax_media_controls.cc
[modify] https://crrev.com/70a1fffbdceeb2a4ad0a5e22c255f4ca12a6597b/third_party/blink/renderer/modules/accessibility/ax_media_controls.h
[modify] https://crrev.com/70a1fffbdceeb2a4ad0a5e22c255f4ca12a6597b/third_party/blink/renderer/modules/accessibility/ax_object_cache_impl.cc
[modify] https://crrev.com/70a1fffbdceeb2a4ad0a5e22c255f4ca12a6597b/third_party/blink/renderer/modules/media_controls/elements/media_control_volume_slider_element.cc