Mojo C++ bindings: remove usage of AssociatedGroup from media/

media/mojo/clients/mojo_audio_decoder.cc

Index: media/mojo/clients/mojo_audio_decoder.cc
diff --git a/media/mojo/clients/mojo_audio_decoder.cc b/media/mojo/clients/mojo_audio_decoder.cc
index d4575c22ef70d6ae2f6b98604f244a315ab5cb10..45425b73df2d98ebe1ce2df2af096d1d96f039af 100644
--- a/media/mojo/clients/mojo_audio_decoder.cc
+++ b/media/mojo/clients/mojo_audio_decoder.cc
@@ -141,7 +141,7 @@ void MojoAudioDecoder::BindRemoteDecoder() {
       base::Bind(&MojoAudioDecoder::OnConnectionError, base::Unretained(this)));
 
   mojom::AudioDecoderClientAssociatedPtrInfo client_ptr_info;
-  client_binding_.Bind(&client_ptr_info, remote_decoder_.associated_group());
+  client_binding_.Bind(&client_ptr_info);
 
   remote_decoder_->Construct(std::move(client_ptr_info));
 }