Revert of Add rudimentary shelf delegate mus unit test.

Revert of Add rudimentary shelf delegate mus unit test. (patchset #1 id:1 of https://codereview.chromium.org/1984723005/ )

Reason for revert:
Hmm - still breaking stuff, but it doesn't look like hangs. Instead, crashes in tcmalloc via skia

Original issue's description:
> Reland of Add rudimentary shelf delegate mus unit test. (patchset #1 id:1 of https://codereview.chromium.org/1979103002/ )
>
> Reason for revert:
> Still need to wait until Friday before we can land https://codereview.chromium.org/1975073002 and be completely shutdown-race-free, but a few other lingering races have been fixed since this first landed. Going to attempt to reland and see if bots are happy.
>
> Original issue's description:
> > Revert of Add rudimentary shelf delegate mus unit test. (patchset #6 id:180001 of https://codereview.chromium.org/1953893003/ )
> >
> > Reason for revert:
> > Boo, sorry, looks like they're timing out on the bot :(
> >
> > Original issue's description:
> > > Add rudimentary shelf delegate mus unit test.
> > >
> > > Add simple mash shelf tests:
> > > - ash_sysui (which hosts the shelf) draws a window.
> > > - simple use of ShelfController/ShelfObserver interfaces.
> > >
> > > BUG=557406
> > > TEST=Tests pass
> > > R=sky@chromium.org
> > >
> > > Committed: https://crrev.com/e3f59d3dfe3ec367a7ba4d2109d41fc6f2784088
> > > Cr-Commit-Position: refs/heads/master@{#393700}
> >
> > TBR=sadrul@chromium.org,sky@chromium.org,msw@chromium.org
> > # Not skipping CQ checks because original CL landed more than 1 days ago.
> > BUG=557406
> >
> > Committed: https://crrev.com/b63fb3d3eca89c99c2f387295f5d22ab32e6a650
> > Cr-Commit-Position: refs/heads/master@{#393763}
>
> TBR=sadrul@chromium.org,sky@chromium.org,msw@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=557406
>
> Committed: https://crrev.com/0da14dbf44cbc97a525ee1d72a4faf4fd7798c29
> Cr-Commit-Position: refs/heads/master@{#393980}

TBR=msw@chromium.org,sadrul@chromium.org,sky@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=557406
Committed: https://crrev.com/d721e1158e0cb308f4376b4a2867ec9c3607f48f
Cr-Commit-Position: refs/heads/master@{#394046}

[Ken Rockot(use gerrit already), 2016-05-17 04:05:09]

Created Revert of Add rudimentary shelf delegate mus unit test.

[commit-bot: I haz the power, 2016-05-17 04:05:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1982213002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1982213002/1

[commit-bot: I haz the power, 2016-05-17 04:06:07]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-17 04:07:23]

Description was changed from

==========
Revert of Add rudimentary shelf delegate mus unit test. (patchset #1 id:1 of
https://codereview.chromium.org/1984723005/ )

Reason for revert:
Hmm - still breaking stuff, but it doesn't look like hangs. Instead, crashes in
tcmalloc via skia

Original issue's description:
> Reland of Add rudimentary shelf delegate mus unit test. (patchset #1 id:1 of
https://codereview.chromium.org/1979103002/ )
> 
> Reason for revert:
> Still need to wait until Friday before we can land
https://codereview.chromium.org/1975073002 and be completely shutdown-race-free,
but a few other lingering races have been fixed since this first landed. Going
to attempt to reland and see if bots are happy.
> 
> Original issue's description:
> > Revert of Add rudimentary shelf delegate mus unit test. (patchset #6
id:180001 of https://codereview.chromium.org/1953893003/ )
> >
> > Reason for revert:
> > Boo, sorry, looks like they're timing out on the bot :(
> >
> > Original issue's description:
> > > Add rudimentary shelf delegate mus unit test.
> > >
> > > Add simple mash shelf tests:
> > > - ash_sysui (which hosts the shelf) draws a window.
> > > - simple use of ShelfController/ShelfObserver interfaces.
> > >
> > > BUG=557406
> > > TEST=Tests pass
> > > R=sky@chromium.org
> > >
> > > Committed: https://crrev.com/e3f59d3dfe3ec367a7ba4d2109d41fc6f2784088
> > > Cr-Commit-Position: refs/heads/master@{#393700}
> >
> > TBR=sadrul@chromium.org,sky@chromium.org,msw@chromium.org
> > # Not skipping CQ checks because original CL landed more than 1 days ago.
> > BUG=557406
> >
> > Committed: https://crrev.com/b63fb3d3eca89c99c2f387295f5d22ab32e6a650
> > Cr-Commit-Position: refs/heads/master@{#393763}
> 
> TBR=sadrul@chromium.org,sky@chromium.org,msw@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=557406
> 
> Committed: https://crrev.com/0da14dbf44cbc97a525ee1d72a4faf4fd7798c29
> Cr-Commit-Position: refs/heads/master@{#393980}

TBR=msw@chromium.org,sadrul@chromium.org,sky@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=557406
==========

to

==========
Revert of Add rudimentary shelf delegate mus unit test. (patchset #1 id:1 of
https://codereview.chromium.org/1984723005/ )

Reason for revert:
Hmm - still breaking stuff, but it doesn't look like hangs. Instead, crashes in
tcmalloc via skia

Original issue's description:
> Reland of Add rudimentary shelf delegate mus unit test. (patchset #1 id:1 of
https://codereview.chromium.org/1979103002/ )
>
> Reason for revert:
> Still need to wait until Friday before we can land
https://codereview.chromium.org/1975073002 and be completely shutdown-race-free,
but a few other lingering races have been fixed since this first landed. Going
to attempt to reland and see if bots are happy.
>
> Original issue's description:
> > Revert of Add rudimentary shelf delegate mus unit test. (patchset #6
id:180001 of https://codereview.chromium.org/1953893003/ )
> >
> > Reason for revert:
> > Boo, sorry, looks like they're timing out on the bot :(
> >
> > Original issue's description:
> > > Add rudimentary shelf delegate mus unit test.
> > >
> > > Add simple mash shelf tests:
> > > - ash_sysui (which hosts the shelf) draws a window.
> > > - simple use of ShelfController/ShelfObserver interfaces.
> > >
> > > BUG=557406
> > > TEST=Tests pass
> > > R=sky@chromium.org
> > >
> > > Committed: https://crrev.com/e3f59d3dfe3ec367a7ba4d2109d41fc6f2784088
> > > Cr-Commit-Position: refs/heads/master@{#393700}
> >
> > TBR=sadrul@chromium.org,sky@chromium.org,msw@chromium.org
> > # Not skipping CQ checks because original CL landed more than 1 days ago.
> > BUG=557406
> >
> > Committed: https://crrev.com/b63fb3d3eca89c99c2f387295f5d22ab32e6a650
> > Cr-Commit-Position: refs/heads/master@{#393763}
>
> TBR=sadrul@chromium.org,sky@chromium.org,msw@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=557406
>
> Committed: https://crrev.com/0da14dbf44cbc97a525ee1d72a4faf4fd7798c29
> Cr-Commit-Position: refs/heads/master@{#393980}

TBR=msw@chromium.org,sadrul@chromium.org,sky@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=557406

Committed: https://crrev.com/d721e1158e0cb308f4376b4a2867ec9c3607f48f
Cr-Commit-Position: refs/heads/master@{#394046}
==========

[commit-bot: I haz the power, 2016-05-17 04:07:24]

Patchset 1 (id:??) landed as
https://crrev.com/d721e1158e0cb308f4376b4a2867ec9c3607f48f
Cr-Commit-Position: refs/heads/master@{#394046}