RTCRtpSender with track behind RuntimeEnabled flag

third_party/WebKit/Source/modules/peerconnection/RTCPeerConnection.h

Index: third_party/WebKit/Source/modules/peerconnection/RTCPeerConnection.h
diff --git a/third_party/WebKit/Source/modules/peerconnection/RTCPeerConnection.h b/third_party/WebKit/Source/modules/peerconnection/RTCPeerConnection.h
index d90e3146dd8126c6cee679a903c2e3fd2565b41c..765b7e478b7d899c8bab5b3981751157a56755bf 100644
--- a/third_party/WebKit/Source/modules/peerconnection/RTCPeerConnection.h
+++ b/third_party/WebKit/Source/modules/peerconnection/RTCPeerConnection.h
@@ -58,6 +58,7 @@ class RTCIceCandidateInitOrRTCIceCandidate;
 class RTCOfferOptions;
 class RTCPeerConnectionErrorCallback;
 class RTCRtpReceiver;
+class RTCRtpSender;
 class RTCSessionDescription;
 class RTCSessionDescriptionCallback;
 class RTCSessionDescriptionInit;
@@ -150,6 +151,7 @@ class RTCPeerConnection final : public EventTargetWithInlineData,
                          MediaStreamTrack* selector = nullptr);
   ScriptPromise getStats(ScriptState*);
 
+  HeapVector<Member<RTCRtpSender>> getSenders();
   HeapVector<Member<RTCRtpReceiver>> getReceivers();
 
   RTCDataChannel* createDataChannel(ScriptState*,
@@ -227,11 +229,13 @@ class RTCPeerConnection final : public EventTargetWithInlineData,
   void ScheduleDispatchEvent(Event*);
   void ScheduleDispatchEvent(Event*, std::unique_ptr<BoolFunction>);
   void DispatchScheduledEvent();
-  bool HasLocalStreamWithTrackId(const String& track_id);
+  MediaStreamTrack* GetLocalTrackById(const String& track_id) const;
   MediaStreamTrack* GetRemoteTrackById(const String& track_id) const;
-  // Receivers returned by the handler are in use by the peer connection, a
-  // receiver that is no longer in use is permanently inactive and does not need
-  // to be referenced anymore. Removes such receivers from |m_rtpReceivers|.
+  // Senders and receivers returned by the handler are in use by the peer
+  // connection, a sender or receiver that is no longer in use is permanently
+  // inactive and does not need to be referenced anymore. These methods removes
+  // such senders/receivers from |rtp_senders_|/|rtp_receivers_|.
+  void RemoveInactiveSenders();
   void RemoveInactiveReceivers();
 
   void ChangeSignalingState(WebRTCPeerConnectionHandlerClient::SignalingState);
@@ -259,6 +263,7 @@ class RTCPeerConnection final : public EventTargetWithInlineData,
   // relevant events. https://crbug.com/705901
   MediaStreamVector local_streams_;
   MediaStreamVector remote_streams_;
+  HeapHashMap<uintptr_t, Member<RTCRtpSender>> rtp_senders_;
   HeapHashMap<uintptr_t, Member<RTCRtpReceiver>> rtp_receivers_;
 
   std::unique_ptr<WebRTCPeerConnectionHandler> peer_handler_;