[Mac] Fullscreen layout issues

[Mac] Fullscreen layout issues

- Fixed the incorrect y offset for tab detached windows in fullscreen
- Fixed the layout issue with the infobar in fullscreen

BUG=670445, 678204
Review-Url: https://codereview.chromium.org/2666213003
Cr-Commit-Position: refs/heads/master@{#447804}
(cherry picked from commit a7140be113cefff6413d285e9bce20b513f52686)

Review-Url: https://codereview.chromium.org/2671073002 .
Cr-Commit-Position: refs/branch-heads/2987@{#300}
Cr-Branched-From: ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed: https://chromium.googlesource.com/chromium/src/+/9045f614d43726ac315078312899f4973db5be64

[spqchan, 2017-02-03 21:33:00]

Description was changed from

==========
[Mac] Fullscreen layout issues

- Fixed the incorrect y offset for tab detached windows in fullscreen
- Fixed the layout issue with the infobar in fullscreen

BUG=670445,678204

Review-Url: https://codereview.chromium.org/2666213003
Cr-Commit-Position: refs/heads/master@{#447804}
(cherry picked from commit a7140be113cefff6413d285e9bce20b513f52686)
==========

to

==========
[Mac] Fullscreen layout issues

- Fixed the incorrect y offset for tab detached windows in fullscreen
- Fixed the layout issue with the infobar in fullscreen

BUG=670445,678204

Review-Url: https://codereview.chromium.org/2666213003
Cr-Commit-Position: refs/heads/master@{#447804}
(cherry picked from commit a7140be113cefff6413d285e9bce20b513f52686)

Review-Url: https://codereview.chromium.org/2671073002 .
Cr-Commit-Position: refs/branch-heads/2987@{#300}
Cr-Branched-From:
ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed:
https://chromium.googlesource.com/chromium/src/+/9045f614d43726ac315078312899...
==========

[spqchan, 2017-02-03 21:33:02]

Committed patchset #1 (id:1) manually as
9045f614d43726ac315078312899f4973db5be64.