| Index: webrtc/media/engine/fakewebrtccall.h | 
| diff --git a/webrtc/media/engine/fakewebrtccall.h b/webrtc/media/engine/fakewebrtccall.h | 
| index 6b2542245e7e88eb22cf84d5da1831d344192043..1ddf95ae15c0487c7c6eb5d1f61e5b9d8ffb233e 100644 | 
| --- a/webrtc/media/engine/fakewebrtccall.h | 
| +++ b/webrtc/media/engine/fakewebrtccall.h | 
| @@ -97,6 +97,9 @@ class FakeAudioReceiveStream final : public webrtc::AudioReceiveStream { | 
| int GetOutputLevel() const override { return 0; } | 
| void SetSink(std::unique_ptr<webrtc::AudioSinkInterface> sink) override; | 
| void SetGain(float gain) override; | 
| +  std::vector<webrtc::RtpSource> GetSources() const override { | 
| +    return std::vector<webrtc::RtpSource>(); | 
| +  } | 
|  | 
| int id_ = -1; | 
| webrtc::AudioReceiveStream::Config config_; | 
|  |