Remove DeviceManager and DeviceInfo.

webrtc/media/engine/webrtcvoiceengine.cc

 /*
  *  Copyright (c) 2004 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 42 matching lines @@
                                  webrtc::kTraceInfo;
 
 // On Windows Vista and newer, Microsoft introduced the concept of "Default
 // Communications Device". This means that there are two types of default
 // devices (old Wave Audio style default and Default Communications Device).
 //
 // On Windows systems which only support Wave Audio style default, uses either
 // -1 or 0 to select the default device.
 #ifdef WIN32
 const int kDefaultAudioDeviceId = -1;
-#else
+#elif !defined(WEBRTC_IOS)
 const int kDefaultAudioDeviceId = 0;
 #endif
 
 // Parameter used for NACK.
 // This value is equivalent to 5 seconds of audio data at 20 ms per packet.
 const int kNackMaxPackets = 250;
 
 // Codec parameters for Opus.
 // draft-spittka-payload-rtp-opus-03
 
@@ skipping 2472 matching lines @@
     }
   } else {
     LOG(LS_INFO) << "Stopping playout for channel #" << channel;
     engine()->voe()->base()->StopPlayout(channel);
   }
   return true;
 }
 }  // namespace cricket
 
 #endif  // HAVE_WEBRTC_VOICE