Do not hide shadow underlay for max/fullscreen state even if the client disables the shadow.

Do not hide shadow underlay for max/fullscreen state even if the client disables the shadow.

During the state transition, ARC preserves windows being deleted,
however the main window is deleted (thus, window frame is empty) which disables the shadow.

BUG=711514
TEST=covered by unit tests.
 manual. Instal & start "Clash Royal", then F4 to toggle fullscreen.

Review-Url: https://codereview.chromium.org/2820493004
Cr-Commit-Position: refs/heads/master@{#464819}
(cherry picked from commit ae72f92d7caba6d32ba2a11f32943f29af15c3d8)

Review-Url: https://codereview.chromium.org/2821963002 .
Cr-Commit-Position: refs/branch-heads/3071@{#52}
Cr-Branched-From: a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed: https://chromium.googlesource.com/chromium/src/+/4d5dad8b29ff50856c5565610dedc7d17aaf0080

[oshima, 2017-04-19 16:48:13]

Description was changed from

==========
Do not hide shadow underlay for max/fullscreen state even if the client disables
the shadow.

During the state transition, ARC preserves windows being deleted,
however the main window is deleted (thus, window frame is empty) which disables
the shadow.

BUG=711514
TEST=covered by unit tests.
 manual. Instal & start "Clash Royal", then F4 to toggle fullscreen.

Review-Url: https://codereview.chromium.org/2820493004
Cr-Commit-Position: refs/heads/master@{#464819}
(cherry picked from commit ae72f92d7caba6d32ba2a11f32943f29af15c3d8)
==========

to

==========
Do not hide shadow underlay for max/fullscreen state even if the client disables
the shadow.

During the state transition, ARC preserves windows being deleted,
however the main window is deleted (thus, window frame is empty) which disables
the shadow.

BUG=711514
TEST=covered by unit tests.
 manual. Instal & start "Clash Royal", then F4 to toggle fullscreen.

Review-Url: https://codereview.chromium.org/2820493004
Cr-Commit-Position: refs/heads/master@{#464819}
(cherry picked from commit ae72f92d7caba6d32ba2a11f32943f29af15c3d8)

Review-Url: https://codereview.chromium.org/2821963002 .
Cr-Commit-Position: refs/branch-heads/3071@{#52}
Cr-Branched-From:
a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed:
https://chromium.googlesource.com/chromium/src/+/4d5dad8b29ff50856c5565610ded...
==========

[oshima, 2017-04-19 16:48:15]

Committed patchset #1 (id:1) manually as
4d5dad8b29ff50856c5565610dedc7d17aaf0080.