Remove MediaStream label, ended attributes and stop() method

Source/modules/mediastream/MediaStream.h

Index: Source/modules/mediastream/MediaStream.h
diff --git a/Source/modules/mediastream/MediaStream.h b/Source/modules/mediastream/MediaStream.h
index 6ee0ef6da7517d29f540d2ab3a0be4fdaa5f2c98..ab5286f100f550ab7f57e779450a19b657ae7bea 100644
--- a/Source/modules/mediastream/MediaStream.h
+++ b/Source/modules/mediastream/MediaStream.h
@@ -53,9 +53,6 @@ public:
     static MediaStream* create(ExecutionContext*, PassRefPtr<MediaStreamDescriptor>);
     ~MediaStream() override;
 
-    // DEPRECATED
-    String label() const { return m_descriptor->id(); }
-
     String id() const { return m_descriptor->id(); }
 
     void addTrack(MediaStreamTrack*, ExceptionState&);
@@ -68,8 +65,6 @@ public:
     MediaStreamTrackVector getTracks();
 
     bool active() const { return m_descriptor->active(); }
-    bool ended() const;
-    void stop();
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(active);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(inactive);