Ash magnifier: Check whether the caret bounds were actually moved or not.

Ash magnifier: Check whether the caret bounds were actually moved or not.

If the caret bounds were not actually moved, do not move the magnification
window. Otherwise it causes unnecessary move of focuses.

BUG=673200
TEST=MagnificationControllerTest

Review-Url: https://codereview.chromium.org/2562273002
Cr-Commit-Position: refs/heads/master@{#438347}
(cherry picked from commit c0105686d120fe7978122cf399061c738de15134)

Review-Url: https://codereview.chromium.org/2623773002 .
Cr-Commit-Position: refs/branch-heads/2883@{#755}
Cr-Branched-From: 614d31daee2f61b0180df403a8ad43f20b9f6dd7-refs/heads/master@{#423768}
Committed: https://chromium.googlesource.com/chromium/src/+/de251a2ef1fefabae9a14ec520a5ca2c1aafe6d8

[kinaba, 2017-01-10 01:52:25]

Description was changed from

==========
Ash magnifier: Check whether the caret bounds were actually moved or not.

If the caret bounds were not actually moved, do not move the magnification
window. Otherwise it causes unnecessary move of focuses.

BUG=673200
TEST=MagnificationControllerTest

Review-Url: https://codereview.chromium.org/2562273002
Cr-Commit-Position: refs/heads/master@{#438347}
(cherry picked from commit c0105686d120fe7978122cf399061c738de15134)
==========

to

==========
Ash magnifier: Check whether the caret bounds were actually moved or not.

If the caret bounds were not actually moved, do not move the magnification
window. Otherwise it causes unnecessary move of focuses.

BUG=673200
TEST=MagnificationControllerTest

Review-Url: https://codereview.chromium.org/2562273002
Cr-Commit-Position: refs/heads/master@{#438347}
(cherry picked from commit c0105686d120fe7978122cf399061c738de15134)

Review-Url: https://codereview.chromium.org/2623773002 .
Cr-Commit-Position: refs/branch-heads/2883@{#755}
Cr-Branched-From:
614d31daee2f61b0180df403a8ad43f20b9f6dd7-refs/heads/master@{#423768}
Committed:
https://chromium.googlesource.com/chromium/src/+/de251a2ef1fefabae9a14ec520a5...
==========

[kinaba, 2017-01-10 01:52:26]

Committed patchset #1 (id:1) manually as
de251a2ef1fefabae9a14ec520a5ca2c1aafe6d8.