FakeVideoCaptureDevice: Y16 testing support.

media/capture/video/fake_video_capture_device_factory.h

Index: media/capture/video/fake_video_capture_device_factory.h
diff --git a/media/capture/video/fake_video_capture_device_factory.h b/media/capture/video/fake_video_capture_device_factory.h
index 9951eb829b391c9c2a2de4e27540aaa18589c6cc..ef510573d645b0c9455e9e1a139b9ee482324bc7 100644
--- a/media/capture/video/fake_video_capture_device_factory.h
+++ b/media/capture/video/fake_video_capture_device_factory.h
@@ -38,11 +38,12 @@ class CAPTURE_EXPORT FakeVideoCaptureDeviceFactory
   }
 
  private:
-  void parse_command_line();
+  void ParseCommandLine();
 
   int number_of_devices_;
   FakeVideoCaptureDevice::BufferOwnership fake_vcd_ownership_;
   float frame_rate_;
+  bool command_line_parsed_ = false;
 };
 
 }  // namespace media