Replace manual conversions with Mojo type mappings

services/video_capture/fake_device_descriptor_test.cc

Index: services/video_capture/fake_device_descriptor_test.cc
diff --git a/services/video_capture/fake_device_descriptor_test.cc b/services/video_capture/fake_device_descriptor_test.cc
index 4ffb30d52c95b2aeb7888c2698614908ad9aeeda..f80747e886e108db124c31e848e67d18d185db50 100644
--- a/services/video_capture/fake_device_descriptor_test.cc
+++ b/services/video_capture/fake_device_descriptor_test.cc
@@ -22,13 +22,12 @@ void FakeDeviceDescriptorTest::SetUp() {
   base::RunLoop wait_loop;
   EXPECT_CALL(descriptor_receiver_, OnEnumerateDeviceDescriptorsCallback(_))
       .WillOnce(Invoke([this, &wait_loop](
-          const std::vector<mojom::VideoCaptureDeviceDescriptorPtr>&
-              descriptors) {
-        fake_device_descriptor_ = descriptors[0].Clone();
+          const std::vector<media::VideoCaptureDeviceDescriptor>& descriptors) {
+        fake_device_descriptor_ = descriptors[0];
         wait_loop.Quit();
       }));
   factory_->EnumerateDeviceDescriptors(base::Bind(
-      &MockDeviceDescriptorReceiver::HandleEnumerateDeviceDescriptorsCallback,
+      &MockDeviceDescriptorReceiver::OnEnumerateDeviceDescriptorsCallback,
       base::Unretained(&descriptor_receiver_)));
   wait_loop.Run();
 }