[Merge to M51] Fix the issue that Apps window keeps moving down to the right when reopened.

[Merge to M51] Fix the issue that Apps window keeps moving down to the right when reopened.

It's merged into M51 on behalf of warx@. Hide animation may have changed the transform, when recreating layer if we don't reset the transform, the installed transform from last hiding animation (such as a closing window operation) will cause window bounds changed.

BUG=602661
TBR=sky@chromium.org
TEST=add unittest in visibility_controller

Review-Url: https://codereview.chromium.org/1986963003
Cr-Commit-Position: refs/heads/master@{#394340}
(cherry picked from commit ac95109db90a079c1d56bc61b5a2b27b2b2fae63)

Committed: https://chromium.googlesource.com/chromium/src/+/0d99651952addde3c579d2ffeb3f02fc1912c48f

[xdai1, 2016-05-27 23:01:19]

Description was changed from

==========
[Merge to M51] Fix the issue that Apps window keeps moving down to the right
when reopened.

It's merged into M51 on behalf of warx@. Hide animation may have changed the
transform, when recreating layer if we don't reset the transform, the installed
transform from last hiding animation (such as a closing window operation) will
cause window bounds changed.

BUG=602661
TBR=sky@chromium.org
TEST=add unittest in visibility_controller

Review-Url: https://codereview.chromium.org/1986963003
Cr-Commit-Position: refs/heads/master@{#394340}
(cherry picked from commit ac95109db90a079c1d56bc61b5a2b27b2b2fae63)
==========

to

==========
[Merge to M51] Fix the issue that Apps window keeps moving down to the right
when reopened.

It's merged into M51 on behalf of warx@. Hide animation may have changed the
transform, when recreating layer if we don't reset the transform, the installed
transform from last hiding animation (such as a closing window operation) will
cause window bounds changed.

BUG=602661
TBR=sky@chromium.org
TEST=add unittest in visibility_controller

Review-Url: https://codereview.chromium.org/1986963003
Cr-Commit-Position: refs/heads/master@{#394340}
(cherry picked from commit ac95109db90a079c1d56bc61b5a2b27b2b2fae63)

Committed:
https://chromium.googlesource.com/chromium/src/+/0d99651952addde3c579d2ffeb3f...
==========

[xdai1, 2016-05-27 23:01:20]

Committed patchset #1 (id:1) manually as
0d99651952addde3c579d2ffeb3f02fc1912c48f (presubmit successful).