Craig Mautner 1a70a16b64 Add null checks for quickly disappearing Displays
If a display is removed right after it is added we will get null
when trying to retrieve it from the DisplayManager. Check for that
null before commiting to using that display.

Fixes bug 17478906.

Change-Id: I89ae8cc7387729d678b9b1ed5b1797a93cdde3f9
2014-09-13 12:09:31 -07:00
2014-08-05 19:34:04 -07:00
2013-05-21 12:38:22 -07:00
2014-08-18 18:14:54 -07:00
2014-09-10 00:40:55 +00:00
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