format_roster_index_  243 media/video/capture/fake_video_capture_device.cc       format_roster_.at(++format_roster_index_ % format_roster_.size());
format_roster_index_  256 media/video/capture/fake_video_capture_device.cc   format_roster_index_ = 0;
format_roster_index_   67 media/video/capture/fake_video_capture_device.h   int format_roster_index_;