I just noticed that we aren't tracking this bug in the work tracker. Is this a mistakenly hidden P0 for V1?

(didn't mean to remove mccanny or myself from cc)

This bug requires manual review: M61 has already been promoted to the beta branch, so this requires manual review
Please contact the milestone owner if you have questions.
Owners: amineer@(Android), cmasso@(iOS), ketakid@(ChromeOS), govind@(Desktop)

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Approving merge to M61 Chrome OS.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/55709dd24edad7c026e0ba7ecdb6a9b4b196894c

commit 55709dd24edad7c026e0ba7ecdb6a9b4b196894c
Author: MinChen <minch@chromium.org>
Date: Tue Aug 15 17:48:03 2017

Disable backdrop if fullscreen app list is opened in tablet mode.

If fullscreen app list is opened, the shelf should change to be transparent.
But since there is a fullscreen backdrop window in tablet mode. The shelf area
is still black after app list is opened.

Change:
Add OnAppListVisibilityChanged(*) in BackdropController. Hide backdrop if app list
is opened, update it if app list is dismissed.

Bug:  752383 
Change-Id: Ic1be66eb5cb9b0a4d126d8e8d78aa2f229b824b8
Reviewed-on: https://chromium-review.googlesource.com/606706
Commit-Queue: min c <minch@chromium.org>
Reviewed-by: Robert Flack <flackr@chromium.org>
Reviewed-by: Alex Newcomer <newcomer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#494437}
[modify] https://crrev.com/55709dd24edad7c026e0ba7ecdb6a9b4b196894c/ash/wm/workspace/backdrop_controller.cc
[modify] https://crrev.com/55709dd24edad7c026e0ba7ecdb6a9b4b196894c/ash/wm/workspace/backdrop_controller.h
[modify] https://crrev.com/55709dd24edad7c026e0ba7ecdb6a9b4b196894c/ash/wm/workspace/workspace_layout_manager_unittest.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/528643eac1afd68c58116742f22c20794f04dba9

commit 528643eac1afd68c58116742f22c20794f04dba9
Author: MinChen <minch@chromium.org>
Date: Tue Aug 15 21:24:19 2017

Remove tablet mode restriction for AppListVisibilityChanged notification in backdrop.

Bug:  752383 
Change-Id: I990cbed13618e5857dc5927b787d9468d4a91626
Reviewed-on: https://chromium-review.googlesource.com/615812
Reviewed-by: Robert Flack <flackr@chromium.org>
Commit-Queue: min c <minch@chromium.org>
Cr-Commit-Position: refs/heads/master@{#494552}
[modify] https://crrev.com/528643eac1afd68c58116742f22c20794f04dba9/ash/wm/workspace/backdrop_controller.cc
[modify] https://crrev.com/528643eac1afd68c58116742f22c20794f04dba9/ash/wm/workspace/workspace_layout_manager_unittest.cc

This issue has been approved for a merge. Please merge the fix to any appropriate branches as soon as possible!

If all merges have been completed, please remove any remaining Merge-Approved labels from this issue.

Thanks for your time! To disable nags, add the Disable-Nags label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

This issue has been approved for a merge. Please merge the fix to any appropriate branches as soon as possible!

If all merges have been completed, please remove any remaining Merge-Approved labels from this issue.

Thanks for your time! To disable nags, add the Disable-Nags label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/cff8bf40c2984421cb38c8f0d420f5f4c2c60cb3

commit cff8bf40c2984421cb38c8f0d420f5f4c2c60cb3
Author: Vadim Tryshev <vadimt@google.com>
Date: Mon Aug 21 21:27:34 2017

Disable backdrop if fullscreen app list is opened in tablet mode.

If fullscreen app list is opened, the shelf should change to be transparent.
But since there is a fullscreen backdrop window in tablet mode. The shelf area
is still black after app list is opened.

Change:
Add OnAppListVisibilityChanged(*) in BackdropController. Hide backdrop if app list
is opened, update it if app list is dismissed.

TBR=minch@chromium.org

(cherry picked from commit 55709dd24edad7c026e0ba7ecdb6a9b4b196894c)

Bug:  752383 
Change-Id: Ic1be66eb5cb9b0a4d126d8e8d78aa2f229b824b8
Reviewed-on: https://chromium-review.googlesource.com/606706
Commit-Queue: min c <minch@chromium.org>
Reviewed-by: Robert Flack <flackr@chromium.org>
Reviewed-by: Alex Newcomer <newcomer@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#494437}
Reviewed-on: https://chromium-review.googlesource.com/624726
Reviewed-by: Vadim Tryshev <vadimt@chromium.org>
Cr-Commit-Position: refs/branch-heads/3163@{#721}
Cr-Branched-From: ff259bab28b35d242e10186cd63af7ed404fae0d-refs/heads/master@{#488528}
[modify] https://crrev.com/cff8bf40c2984421cb38c8f0d420f5f4c2c60cb3/ash/wm/workspace/backdrop_controller.cc
[modify] https://crrev.com/cff8bf40c2984421cb38c8f0d420f5f4c2c60cb3/ash/wm/workspace/backdrop_controller.h
[modify] https://crrev.com/cff8bf40c2984421cb38c8f0d420f5f4c2c60cb3/ash/wm/workspace/workspace_layout_manager_unittest.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c5b5a53b8d7abf736b23a74801ce39f84652b3fb

commit c5b5a53b8d7abf736b23a74801ce39f84652b3fb
Author: Vadim Tryshev <vadimt@google.com>
Date: Mon Aug 21 21:34:38 2017

Remove tablet mode restriction for AppListVisibilityChanged notification in backdrop.

TBR=minch@chromium.org

(cherry picked from commit 528643eac1afd68c58116742f22c20794f04dba9)

Bug:  752383 
Change-Id: I990cbed13618e5857dc5927b787d9468d4a91626
Reviewed-on: https://chromium-review.googlesource.com/615812
Reviewed-by: Robert Flack <flackr@chromium.org>
Commit-Queue: min c <minch@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#494552}
Reviewed-on: https://chromium-review.googlesource.com/624799
Reviewed-by: Vadim Tryshev <vadimt@chromium.org>
Cr-Commit-Position: refs/branch-heads/3163@{#727}
Cr-Branched-From: ff259bab28b35d242e10186cd63af7ed404fae0d-refs/heads/master@{#488528}
[modify] https://crrev.com/c5b5a53b8d7abf736b23a74801ce39f84652b3fb/ash/wm/workspace/backdrop_controller.cc
[modify] https://crrev.com/c5b5a53b8d7abf736b23a74801ce39f84652b3fb/ash/wm/workspace/workspace_layout_manager_unittest.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/7cabb5d9c82c12cf02fc667a0d37ca83e6392df8

commit 7cabb5d9c82c12cf02fc667a0d37ca83e6392df8
Author: Vladislav Kaznacheev <kaznacheev@chromium.org>
Date: Mon Aug 21 23:32:23 2017

Revert "Remove tablet mode restriction for AppListVisibilityChanged notification in backdrop."

This reverts commit c5b5a53b8d7abf736b23a74801ce39f84652b3fb.

Reason for revert: 
This is required to revert cff8bf40c2984421cb38c8f0d420f5f4c2c60cb3 which is breaking most of ash_unittests

Original change's description:
> Remove tablet mode restriction for AppListVisibilityChanged notification in backdrop.
> 
> TBR=minch@chromium.org
> 
> (cherry picked from commit 528643eac1afd68c58116742f22c20794f04dba9)
> 
> Bug:  752383 
> Change-Id: I990cbed13618e5857dc5927b787d9468d4a91626
> Reviewed-on: https://chromium-review.googlesource.com/615812
> Reviewed-by: Robert Flack <flackr@chromium.org>
> Commit-Queue: min c <minch@chromium.org>
> Cr-Original-Commit-Position: refs/heads/master@{#494552}
> Reviewed-on: https://chromium-review.googlesource.com/624799
> Reviewed-by: Vadim Tryshev <vadimt@chromium.org>
> Cr-Commit-Position: refs/branch-heads/3163@{#727}
> Cr-Branched-From: ff259bab28b35d242e10186cd63af7ed404fae0d-refs/heads/master@{#488528}

TBR=flackr@chromium.org,vadimt@chromium.org,minch@chromium.org

Change-Id: I219540f311183e077809ca9547b5fdd63477bbe7
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug:  752383 
Reviewed-on: https://chromium-review.googlesource.com/624703
Reviewed-by: Vladislav Kaznacheev <kaznacheev@chromium.org>
Cr-Commit-Position: refs/branch-heads/3163@{#741}
Cr-Branched-From: ff259bab28b35d242e10186cd63af7ed404fae0d-refs/heads/master@{#488528}
[modify] https://crrev.com/7cabb5d9c82c12cf02fc667a0d37ca83e6392df8/ash/wm/workspace/backdrop_controller.cc
[modify] https://crrev.com/7cabb5d9c82c12cf02fc667a0d37ca83e6392df8/ash/wm/workspace/workspace_layout_manager_unittest.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d82eee4113b8d0fbf110f3fb39eb28de05ff3307

commit d82eee4113b8d0fbf110f3fb39eb28de05ff3307
Author: xdai <xdai@chromium.org>
Date: Tue Aug 22 20:08:00 2017

[Merge to M61]Disable backdrop if fullscreen app list is opened in tablet mode.

Merge this CL to M61 on behalf of minch@.

If fullscreen app list is opened, the shelf should change to be transparent.
But since there is a fullscreen backdrop window in tablet mode. The shelf area
is still black after app list is opened.

Change:
Add OnAppListVisibilityChanged(*) in BackdropController. Hide backdrop if app list
is opened, update it if app list is dismissed.

TBR=minch@chromium.org, flackr@chromium.org, newcomer@chromium.org
(cherry picked from commit 55709dd24edad7c026e0ba7ecdb6a9b4b196894c)

Bug:  752383 
Change-Id: Ice03059ed38cef86bfe1ba83296b08d4236ec49e
Reviewed-on: https://chromium-review.googlesource.com/606706
Commit-Queue: min c <minch@chromium.org>
Reviewed-by: Robert Flack <flackr@chromium.org>
Reviewed-by: Alex Newcomer <newcomer@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#494437}
Reviewed-on: https://chromium-review.googlesource.com/627108
Reviewed-by: Xiaoqian Dai <xdai@chromium.org>
Cr-Commit-Position: refs/branch-heads/3163@{#775}
Cr-Branched-From: ff259bab28b35d242e10186cd63af7ed404fae0d-refs/heads/master@{#488528}
[modify] https://crrev.com/d82eee4113b8d0fbf110f3fb39eb28de05ff3307/ash/wm/splitview/split_view_controller.cc
[modify] https://crrev.com/d82eee4113b8d0fbf110f3fb39eb28de05ff3307/ash/wm/workspace/backdrop_controller.cc
[modify] https://crrev.com/d82eee4113b8d0fbf110f3fb39eb28de05ff3307/ash/wm/workspace/backdrop_controller.h
[modify] https://crrev.com/d82eee4113b8d0fbf110f3fb39eb28de05ff3307/ash/wm/workspace/workspace_layout_manager_unittest.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/36009118c3f58e84cbf49e81380d46121e2304e4

commit 36009118c3f58e84cbf49e81380d46121e2304e4
Author: xdai <xdai@chromium.org>
Date: Tue Aug 22 20:28:32 2017

[Merge to M61]Remove tablet mode restriction for AppListVisibilityChanged notification in backdrop.

Merge this CL on behalf of minch@.

TBR=minch@chromium.org, flackr@chromium.org
(cherry picked from commit 528643eac1afd68c58116742f22c20794f04dba9)

Bug:  752383 
Change-Id: I372b966dfb0728566b4f9e58faa3cb281efb663e
Reviewed-on: https://chromium-review.googlesource.com/615812
Reviewed-by: Robert Flack <flackr@chromium.org>
Commit-Queue: min c <minch@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#494552}
Reviewed-on: https://chromium-review.googlesource.com/627109
Reviewed-by: Xiaoqian Dai <xdai@chromium.org>
Cr-Commit-Position: refs/branch-heads/3163@{#778}
Cr-Branched-From: ff259bab28b35d242e10186cd63af7ed404fae0d-refs/heads/master@{#488528}
[modify] https://crrev.com/36009118c3f58e84cbf49e81380d46121e2304e4/ash/wm/workspace/backdrop_controller.cc
[modify] https://crrev.com/36009118c3f58e84cbf49e81380d46121e2304e4/ash/wm/workspace/workspace_layout_manager_unittest.cc