Injectable audio encoders: Moved audio encoder, factory and builtin factory to api/.

webrtc/ortc/ortcfactory.h

 /*
  *  Copyright 2017 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 117 matching lines @@
   // If we created/own the objects above, these will be non-null and thus will
   // be released automatically upon destruction.
   std::unique_ptr<rtc::Thread> owned_network_thread_;
   bool wraps_signaling_thread_ = false;
   std::unique_ptr<rtc::NetworkManager> owned_network_manager_;
   std::unique_ptr<rtc::PacketSocketFactory> owned_socket_factory_;
   // We always own the worker thread.
   std::unique_ptr<rtc::Thread> worker_thread_;
   // Media-releated objects.
   std::unique_ptr<RtcEventLog> null_event_log_;
+  rtc::scoped_refptr<AudioEncoderFactory> audio_encoder_factory_;
   rtc::scoped_refptr<AudioDecoderFactory> audio_decoder_factory_;
   std::unique_ptr<cricket::ChannelManager> channel_manager_;
   // Default CNAME to use for RtpTransports if none is passed in.
   std::string default_cname_;
 
   friend class OrtcFactoryInterface;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(OrtcFactory);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_ORTC_ORTCFACTORY_H_