media: Use new wrapper types for media mojo interfaces

media/mojo/services/mojo_decryptor_service.cc

Index: media/mojo/services/mojo_decryptor_service.cc
diff --git a/media/mojo/services/mojo_decryptor_service.cc b/media/mojo/services/mojo_decryptor_service.cc
index 8d3ab71f8b50573ce17cffaab138902c2ebf3a2e..f8c484e60c0523230423742f55565ffbc3220919 100644
--- a/media/mojo/services/mojo_decryptor_service.cc
+++ b/media/mojo/services/mojo_decryptor_service.cc
@@ -98,7 +98,8 @@ void MojoDecryptorService::DecryptAndDecodeAudio(
   scoped_refptr<DecoderBuffer> media_buffer =
       mojo_decoder_buffer_reader_->ReadDecoderBuffer(encrypted);
   if (!media_buffer) {
-    callback.Run(Status::DECRYPTION_ERROR, nullptr);
+    callback.Run(Status::DECRYPTION_ERROR,
+                 std::vector<mojom::AudioBufferPtr>());
     return;
   }
 
@@ -190,7 +191,7 @@ void MojoDecryptorService::OnAudioDecoded(
                                                     << status << ")";
   DVLOG_IF(3, status == media::Decryptor::kSuccess) << __FUNCTION__;
 
-  mojo::Array<mojom::AudioBufferPtr> audio_buffers;
+  std::vector<mojom::AudioBufferPtr> audio_buffers;
   for (const auto& frame : frames)
     audio_buffers.push_back(mojom::AudioBuffer::From(frame));