zijiehe f50fda9534 Ignore invalid mouse cursor image
A crash has been randomly detected across different versions. The NSImage
crashes the binary in its lockFocusFlipped() function. The suspicious issue is
that NSCursor::image() returns an invalid NSImage.

BUG=chromium:752036

Review-Url: https://codereview.webrtc.org/2993173003
Cr-Commit-Position: refs/heads/master@{#19273}
2017-08-08 17:35:11 +00:00
..
2017-07-21 14:28:41 +00:00
2017-07-19 17:40:47 +00:00
2017-07-19 17:40:47 +00:00
2017-07-19 17:40:47 +00:00
2016-11-16 19:11:38 +00:00