Motown: Rename MediaProducer/Consumer to MediaPacketProducer/Consumer

mojo/services/media/core/interfaces/media_renderer.mojom

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 [DartPackage="mojo_services"]
 module mojo.media;
 
 import "mojo/services/media/common/interfaces/media_transport.mojom";
 import "mojo/services/media/common/interfaces/media_types.mojom";
 import "mojo/services/media/core/interfaces/timeline_controller.mojom";
 
 // Models a service that renders content.
 interface MediaRenderer {
   // Gets the list of supported media types.
   GetSupportedMediaTypes() => (array<MediaTypeSet> supported_media_types);
 
   // Sets the media type of the stream to be delivered.
   SetMediaType(MediaType media_type);
 
-  // Gets the consumer for the stream to be delivered.
-  GetConsumer(MediaConsumer& consumer);
+  // Gets the packet consumer for the stream to be delivered.
+  GetPacketConsumer(MediaPacketConsumer& packet_consumer);
 
   // Requests the timeline control point for this output.
   GetTimelineControlPoint(MediaTimelineControlPoint& timeline_control_point);
 };