Bug 1440252 - Implement MediaEngineWebRTCMicrophoneSource::GetSettings. r=padenot

MozReview-Commit-ID: IVbax9Xxs8R

--HG--
extra : rebase_source : 6d42af31705860100ba40b0d750ddce2b513467d

dom/media/webrtc/MediaEngineWebRTC.h

@@ -416,6 +416,12 @@ public:
                        const nsString& aDeviceId,
                        const char** aOutBadConstraint) override;
 
+  /**
+   * Assigns the current settings of the capture to aOutSettings.
+   * Main thread only.
+   */
+  void GetSettings(dom::MediaTrackSettings& aOutSettings) const override;
+
   void Pull(const RefPtr<const AllocationHandle>& aHandle,
             const RefPtr<SourceMediaStream>& aStream,
             TrackID aTrackID,

dom/media/webrtc/MediaEngineWebRTCAudio.cpp

@@ -754,6 +754,13 @@ MediaEngineWebRTCMicrophoneSource::Stop(const RefPtr<const AllocationHandle>& aH
   return NS_OK;
 }
 
+void
+MediaEngineWebRTCMicrophoneSource::GetSettings(dom::MediaTrackSettings& aOutSettings) const
+{
+  MOZ_ASSERT(NS_IsMainThread());
+  aOutSettings = *mSettings;
+}
+
 void
 MediaEngineWebRTCMicrophoneSource::Pull(const RefPtr<const AllocationHandle>& aHandle,
                                         const RefPtr<SourceMediaStream>& aStream,