zijiehe 634fcb32e3 DxgiOutputDuplicator AcquireNextFrame timeout can be 0
Timeout of AcquireNextFrame() can be 0. Though MSDN does not state it clear, I
tried it on my laptop, it works well, with almost zero capture time.
The screenshot is at https://drive.google.com/open?id=0B0OFNI4uoZGRNVZxekxCbm0ycmc.

BUG=682112

Review-Url: https://codereview.webrtc.org/2712353002
Cr-Commit-Position: refs/heads/master@{#16953}
2017-03-01 19:45:37 +00:00
..
2016-12-07 20:40:34 +00:00