[TTS][Overlay] Update fix to overflowing the narrow panel.

[TTS][Overlay] Update fix to overflowing the narrow panel.

A previous fix just checked if the height changed, but looks like
there's a split-window case that needs to check if the width changes.
Now checking if either changes.

BUG=632483
Review-Url: https://codereview.chromium.org/2504703002
Cr-Commit-Position: refs/heads/master@{#432405}
(cherry picked from commit ea64b4bb0f8733eca15c998be8b7634c87f32728)

Committed: https://chromium.googlesource.com/chromium/src/+/3c589e40897eaf1fd83b38a93e867d51fb4ad05f

[Donn Denman, 2016-11-19 02:00:34]

Description was changed from

==========
[TTS][Overlay] Update fix to overflowing the narrow panel.

A previous fix just checked if the height changed, but looks like
there's a split-window case that needs to check if the width changes.
Now checking if either changes.

BUG=632483

Review-Url: https://codereview.chromium.org/2504703002
Cr-Commit-Position: refs/heads/master@{#432405}
(cherry picked from commit ea64b4bb0f8733eca15c998be8b7634c87f32728)
==========

to

==========
[TTS][Overlay] Update fix to overflowing the narrow panel.

A previous fix just checked if the height changed, but looks like
there's a split-window case that needs to check if the width changes.
Now checking if either changes.

BUG=632483

Review-Url: https://codereview.chromium.org/2504703002
Cr-Commit-Position: refs/heads/master@{#432405}
(cherry picked from commit ea64b4bb0f8733eca15c998be8b7634c87f32728)

Committed:
https://chromium.googlesource.com/chromium/src/+/3c589e40897eaf1fd83b38a93e86...
==========

[Donn Denman, 2016-11-19 02:00:35]

Committed patchset #1 (id:1) manually as
3c589e40897eaf1fd83b38a93e867d51fb4ad05f.