media: Use native Decryptor enum types in media mojo interfaces

media/mojo/clients/mojo_decryptor.h

Index: media/mojo/clients/mojo_decryptor.h
diff --git a/media/mojo/clients/mojo_decryptor.h b/media/mojo/clients/mojo_decryptor.h
index 6e289c8f46e43681da76dfcf32eacb2a30ccab32..656b9fcd2ca4ab1a59e2ed5b4b496a83a49e3407 100644
--- a/media/mojo/clients/mojo_decryptor.h
+++ b/media/mojo/clients/mojo_decryptor.h
@@ -50,13 +50,13 @@ class MojoDecryptor : public Decryptor {
  private:
   // Called when a buffer is decrypted.
   void OnBufferDecrypted(const DecryptCB& decrypt_cb,
-                         mojom::Decryptor::Status status,
+                         Status status,
                          mojom::DecoderBufferPtr buffer);
   void OnAudioDecoded(const AudioDecodeCB& audio_decode_cb,
-                      mojom::Decryptor::Status status,
+                      Status status,
                       std::vector<mojom::AudioBufferPtr> audio_buffers);
   void OnVideoDecoded(const VideoDecodeCB& video_decode_cb,
-                      mojom::Decryptor::Status status,
+                      Status status,
                       mojom::VideoFramePtr video_frame);
 
   // Called when done with a VideoFrame in order to reuse the shared memory.