Revert of [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 60b2b370aae1dc62159e590c2724963b8ff007c8..b72412709e164d1ae3d3b557c7d239663534a485 100644
--- a/services/video_capture/device_factory_media_to_mojo_adapter.cc
+++ b/services/video_capture/device_factory_media_to_mojo_adapter.cc
@@ -35,10 +35,17 @@ static void TranslateDeviceInfos(
     translated_device_info.descriptor = device_info.descriptor;
     for (const auto& format : device_info.supported_formats) {
       media::VideoCaptureFormat translated_format;
-      translated_format.pixel_format =
-          (format.pixel_format == media::PIXEL_FORMAT_Y16)
-              ? media::PIXEL_FORMAT_Y16
-              : media::PIXEL_FORMAT_I420;
+      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.frame_size = format.frame_size;
       translated_format.frame_rate = format.frame_rate;
       translated_format.pixel_storage = media::PIXEL_STORAGE_CPU;