Replace manual conversions with Mojo type mappings

services/video_capture/video_capture_service.cc

Index: services/video_capture/video_capture_service.cc
diff --git a/services/video_capture/video_capture_service.cc b/services/video_capture/video_capture_service.cc
index dce88df0adddb4bfd520e385ec6ad6d8b135a057..3e06a4b3c68f700a740de0fd03fdd8c1ece282db 100644
--- a/services/video_capture/video_capture_service.cc
+++ b/services/video_capture/video_capture_service.cc
@@ -10,7 +10,6 @@
 #include "media/capture/video/video_capture_buffer_pool.h"
 #include "media/capture/video/video_capture_jpeg_decoder.h"
 #include "services/video_capture/device_factory_media_to_mojo_adapter.h"
-#include "services/video_capture/mojo_media_conversions.h"
 #include "services/video_capture/mock_device_factory.h"
 
 namespace {
@@ -62,7 +61,7 @@ void VideoCaptureService::ConnectToMockDeviceFactory(
 
 void VideoCaptureService::AddDeviceToMockFactory(
     mojom::MockVideoCaptureDevicePtr device,
-    mojom::VideoCaptureDeviceDescriptorPtr descriptor,
+    const media::VideoCaptureDeviceDescriptor& descriptor,
     const AddDeviceToMockFactoryCallback& callback) {
   LazyInitializeMockDeviceFactory();
   mock_device_factory_->AddMockDevice(std::move(device), std::move(descriptor));