[Merge to M57] Revert of Signin screen and locked screen status area focus advancing (https://coder…

[Merge to M57] Revert of Signin screen and locked screen status area focus advancing (https://codereview.chromium.org/2295843006)

Revert reason:
Revert to get rid of the crash before having a proper fix.

TBR=xiyuan@chromium.org, stevenjb@chromium.org, achuith@chromium.org
BUG=692784
BUG=468969
TEST=crash doesn't happen now, leaving the bug in crbug.com/468969 comment 7 reopen.

Review-Url: https://codereview.chromium.org/2709593002
Cr-Commit-Position: refs/heads/master@{#451983}
(cherry picked from commit 26f01531f9e0ecd2e0cde6cf5dacb0e4b70610ce)

Review-Url: https://codereview.chromium.org/2711793002 .
Cr-Commit-Position: refs/branch-heads/2987@{#643}
Cr-Branched-From: ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed: https://chromium.googlesource.com/chromium/src/+/7238549d0ff22bd230e3ad83b4c4508335acb507

[Qiang(Joe) Xu, 2017-02-22 18:23:27]

Description was changed from

==========
[Merge to M57] Revert of Signin screen and locked screen status area focus
advancing (https://codereview.chromium.org/2295843006)

Revert reason:
Revert to get rid of the crash before having a proper fix.

TBR=xiyuan@chromium.org, stevenjb@chromium.org, achuith@chromium.org
BUG=692784
BUG=468969
TEST=crash doesn't happen now, leaving the bug in crbug.com/468969 comment 7
reopen.

Review-Url: https://codereview.chromium.org/2709593002
Cr-Commit-Position: refs/heads/master@{#451983}
(cherry picked from commit 26f01531f9e0ecd2e0cde6cf5dacb0e4b70610ce)
==========

to

==========
[Merge to M57] Revert of Signin screen and locked screen status area focus
advancing (https://codereview.chromium.org/2295843006)

Revert reason:
Revert to get rid of the crash before having a proper fix.

TBR=xiyuan@chromium.org, stevenjb@chromium.org, achuith@chromium.org
BUG=692784
BUG=468969
TEST=crash doesn't happen now, leaving the bug in crbug.com/468969 comment 7
reopen.

Review-Url: https://codereview.chromium.org/2709593002
Cr-Commit-Position: refs/heads/master@{#451983}
(cherry picked from commit 26f01531f9e0ecd2e0cde6cf5dacb0e4b70610ce)

Review-Url: https://codereview.chromium.org/2711793002 .
Cr-Commit-Position: refs/branch-heads/2987@{#643}
Cr-Branched-From:
ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed:
https://chromium.googlesource.com/chromium/src/+/7238549d0ff22bd230e3ad83b4c4...
==========

[Qiang(Joe) Xu, 2017-02-22 18:23:29]

Committed patchset #1 (id:1) manually as
7238549d0ff22bd230e3ad83b4c4508335acb507 (presubmit successful).