[Mojo Video Capture] Hook up video capture service behind a feature flag

services/video_capture/device_factory_media_to_mojo_adapter.cc

Index: services/video_capture/device_factory_media_to_mojo_adapter.cc
diff --git a/services/video_capture/device_factory_media_to_mojo_adapter.cc b/services/video_capture/device_factory_media_to_mojo_adapter.cc
index b72412709e164d1ae3d3b557c7d239663534a485..60b2b370aae1dc62159e590c2724963b8ff007c8 100644
--- a/services/video_capture/device_factory_media_to_mojo_adapter.cc
+++ b/services/video_capture/device_factory_media_to_mojo_adapter.cc
@@ -35,17 +35,10 @@ static void TranslateDeviceInfos(
     translated_device_info.descriptor = device_info.descriptor;
     for (const auto& format : device_info.supported_formats) {
       media::VideoCaptureFormat translated_format;
-      switch (format.pixel_format) {
-        case media::PIXEL_FORMAT_I420:
-        case media::PIXEL_FORMAT_MJPEG:
-          translated_format.pixel_format = media::PIXEL_FORMAT_I420;
-          break;
-        case media::PIXEL_FORMAT_Y16:
-          translated_format.pixel_format = media::PIXEL_FORMAT_Y16;
-        default:
-          // Any other format cannot be consumed by VideoCaptureDeviceClient.
-          continue;
-      }
+      translated_format.pixel_format =
+          (format.pixel_format == media::PIXEL_FORMAT_Y16)
+              ? media::PIXEL_FORMAT_Y16
+              : media::PIXEL_FORMAT_I420;
       translated_format.frame_size = format.frame_size;
       translated_format.frame_rate = format.frame_rate;
       translated_format.pixel_storage = media::PIXEL_STORAGE_CPU;