c117e2ed79
Calling event handlers when the camera is closing is safe because CameraCapturer checks if the errors are coming from the current session. Calling onFailure after camera has already started might lead to strange behavior. BUG=b/34112992 Review-Url: https://codereview.webrtc.org/2634973002 Cr-Commit-Position: refs/heads/master@{#16101}