Specifically:
ScreenCapturerTest.StartCapture
ScreenCapturerTest.Capture
WindowCapturerTest.Capture
Also adding a DCHECK for the capturer actually being created, since it
seems like that's the problem.
TBR=zijiehe@chromium.org
Bug: webrtc:7830
Change-Id: I200dc0c15f5039b95f591597bc00d3f1084ae876
Reviewed-on: https://webrtc-review.googlesource.com/9562
Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org>
Commit-Queue: Taylor Brandstetter <deadbeef@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20297}