namespace blink {
class WebMediaDevicesRequest;
+class WebMediaStreamTrackSourcesRequest;
class WebUserMediaRequest;
template <typename T> class WebVector;
virtual void cancelUserMediaRequest(const WebUserMediaRequest&) = 0;
virtual void requestMediaDevices(const WebMediaDevicesRequest&) = 0;
virtual void cancelMediaDevicesRequest(const WebMediaDevicesRequest&) = 0;
+ virtual void requestSources(const WebMediaStreamTrackSourcesRequest&) = 0;
};
} // namespace blink