Retry c7e292ea58a76fe2 - Redirect all mouse input to Alt+Tab window

Retry c7e292ea58a76fe2 - Redirect all mouse input to Alt+Tab window

Redirect all mouse input to Alt+Tab window when it's visible,
effectively disabling the mouse. Capture is reset when the widget is
destroyed.

original review: https://codereview.chromium.org/2284763002/

BUG=641171
Review-Url: https://codereview.chromium.org/2296763002
Cr-Commit-Position: refs/heads/master@{#415761}
(cherry picked from commit 5a1a9aaec662cf0c8bcb24444c180e3fe1456085)

Committed: https://chromium.googlesource.com/chromium/src/+/ac1602cb1fd03af6384e56871f29ac90fe6022cb

[Evan Stade, 2016-09-01 21:30:59]

Description was changed from

==========
Retry c7e292ea58a76fe2 - Redirect all mouse input to Alt+Tab window

Redirect all mouse input to Alt+Tab window when it's visible,
effectively disabling the mouse. Capture is reset when the widget is
destroyed.

original review: https://codereview.chromium.org/2284763002/

BUG=641171

Review-Url: https://codereview.chromium.org/2296763002
Cr-Commit-Position: refs/heads/master@{#415761}
(cherry picked from commit 5a1a9aaec662cf0c8bcb24444c180e3fe1456085)
==========

to

==========
Retry c7e292ea58a76fe2 - Redirect all mouse input to Alt+Tab window

Redirect all mouse input to Alt+Tab window when it's visible,
effectively disabling the mouse. Capture is reset when the widget is
destroyed.

original review: https://codereview.chromium.org/2284763002/

BUG=641171

Review-Url: https://codereview.chromium.org/2296763002
Cr-Commit-Position: refs/heads/master@{#415761}
(cherry picked from commit 5a1a9aaec662cf0c8bcb24444c180e3fe1456085)

Committed:
https://chromium.googlesource.com/chromium/src/+/ac1602cb1fd03af6384e56871f29...
==========

[Evan Stade, 2016-09-01 21:31:00]

Committed patchset #1 (id:1) manually as
ac1602cb1fd03af6384e56871f29ac90fe6022cb.