[Merge to M-58]Add bottom border to StyledLabel.

[Merge to M-58]Add bottom border to StyledLabel.

On CL https://codereview.chromium.org/2072513003 it was changed calculation of height of StyledLabel, so the |total_height| is equal to the bottom point of lowest sublabel. This doesn't take into consideration a bottom border. Screenshots are on the bug. This CL fixes this.

BUG=697034
Review-Url: https://codereview.chromium.org/2722503005
Cr-Commit-Position: refs/heads/master@{#455495}
(cherry picked from commit 2581d91a5a2adfdae460bd25a43b44cac6f80ded)

Review-Url: https://codereview.chromium.org/2742303002 .
Cr-Commit-Position: refs/branch-heads/3029@{#144}
Cr-Branched-From: 939b32ee5ba05c396eef3fd992822fcca9a2e262-refs/heads/master@{#454471}
Committed: https://chromium.googlesource.com/chromium/src/+/be0be00087150bd7c26414bcd3898c83e241fd7c

[dvadym, 2017-03-13 10:55:56]

Description was changed from

==========
[Merge to M-58]Add bottom border to StyledLabel.

On CL https://codereview.chromium.org/2072513003 it was changed calculation of
height of StyledLabel, so the |total_height| is equal to the bottom point of
lowest sublabel. This doesn't take into consideration a bottom border.
Screenshots are on the bug. This CL fixes this.

BUG=697034

Review-Url: https://codereview.chromium.org/2722503005
Cr-Commit-Position: refs/heads/master@{#455495}
(cherry picked from commit 2581d91a5a2adfdae460bd25a43b44cac6f80ded)
==========

to

==========
[Merge to M-58]Add bottom border to StyledLabel.

On CL https://codereview.chromium.org/2072513003 it was changed calculation of
height of StyledLabel, so the |total_height| is equal to the bottom point of
lowest sublabel. This doesn't take into consideration a bottom border.
Screenshots are on the bug. This CL fixes this.

BUG=697034

Review-Url: https://codereview.chromium.org/2722503005
Cr-Commit-Position: refs/heads/master@{#455495}
(cherry picked from commit 2581d91a5a2adfdae460bd25a43b44cac6f80ded)

Review-Url: https://codereview.chromium.org/2742303002 .
Cr-Commit-Position: refs/branch-heads/3029@{#144}
Cr-Branched-From:
939b32ee5ba05c396eef3fd992822fcca9a2e262-refs/heads/master@{#454471}
Committed:
https://chromium.googlesource.com/chromium/src/+/be0be00087150bd7c26414bcd389...
==========

[dvadym, 2017-03-13 10:55:58]

Committed patchset #1 (id:1) manually as
be0be00087150bd7c26414bcd3898c83e241fd7c.