The unit test of CameraControllerTest.TestAVCaptureDeviceValue was added to detect iOS re-defintion of AVCaptureDeviceTypeBuiltInWideAngleCamera constant. The hardcoded value is used for iOS 10.0 compatibility.
The unit test can be delete when iOS 10.0 is deprecated.
Comment 1 by eugene...@chromium.org
, Mar 26 2018