Copy RTCAudioSource.h and RTCMediaSource.h with other public header files when building the WebRTC …

webrtc/sdk/sdk.gyp

 # Copyright 2016 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.
 
 {
   'includes': [
@@ skipping 237 matching lines @@
             'objc/Framework/Classes/RTCSSLAdapter.mm',
             'objc/Framework/Classes/RTCTracing.mm',
             'objc/Framework/Headers/WebRTC/RTCFieldTrials.h',
             'objc/Framework/Headers/WebRTC/RTCLogging.h',
             'objc/Framework/Headers/WebRTC/RTCSSLAdapter.h',
             'objc/Framework/Headers/WebRTC/RTCTracing.h',
             'objc/Framework/Headers/WebRTC/WebRTC.h',
             'objc/Framework/Modules/module.modulemap',
           ],
           'mac_framework_headers': [
+            'objc/Framework/Headers/WebRTC/RTCAudioSource.h',
             'objc/Framework/Headers/WebRTC/RTCAudioTrack.h',
             'objc/Framework/Headers/WebRTC/RTCAVFoundationVideoSource.h',
             'objc/Framework/Headers/WebRTC/RTCCameraPreviewView.h',
             'objc/Framework/Headers/WebRTC/RTCConfiguration.h',
             'objc/Framework/Headers/WebRTC/RTCDataChannel.h',
             'objc/Framework/Headers/WebRTC/RTCDataChannelConfiguration.h',
             'objc/Framework/Headers/WebRTC/RTCDispatcher.h',
             'objc/Framework/Headers/WebRTC/RTCEAGLVideoView.h',
             'objc/Framework/Headers/WebRTC/RTCFieldTrials.h',
             'objc/Framework/Headers/WebRTC/RTCFileLogger.h',
             'objc/Framework/Headers/WebRTC/RTCIceCandidate.h',
             'objc/Framework/Headers/WebRTC/RTCIceServer.h',
             'objc/Framework/Headers/WebRTC/RTCLogging.h',
             'objc/Framework/Headers/WebRTC/RTCMacros.h',
             'objc/Framework/Headers/WebRTC/RTCMediaConstraints.h',
+            'objc/Framework/Headers/WebRTC/RTCMediaSource.h',
             'objc/Framework/Headers/WebRTC/RTCMediaStream.h',
             'objc/Framework/Headers/WebRTC/RTCMediaStreamTrack.h',
             'objc/Framework/Headers/WebRTC/RTCMetrics.h',
             'objc/Framework/Headers/WebRTC/RTCMetricsSampleInfo.h',
             'objc/Framework/Headers/WebRTC/RTCNSGLVideoView.h',
             'objc/Framework/Headers/WebRTC/RTCPeerConnection.h',
             'objc/Framework/Headers/WebRTC/RTCPeerConnectionFactory.h',
             'objc/Framework/Headers/WebRTC/RTCRtpCodecParameters.h',
             'objc/Framework/Headers/WebRTC/RTCRtpEncodingParameters.h',
             'objc/Framework/Headers/WebRTC/RTCRtpParameters.h',
@@ skipping 48 matching lines @@
               'mac_framework_headers!': [
                 'objc/Framework/Headers/WebRTC/RTCFileLogger.h',
               ],
             }],
           ],  # conditions
         }, # rtc_sdk_framework_objc
       ],  # targets
     }],  # OS=="ios" or (OS=="mac" and mac_deployment_target=="10.7")
   ],
 }