--- a/dom/html/HTMLMediaElement.h
+++ b/dom/html/HTMLMediaElement.h
@@ -735,21 +735,16 @@ public:
   void NotifyCueUpdated(TextTrackCue *aCue) {
     if (mTextTrackManager) {
       mTextTrackManager->NotifyCueUpdated(aCue);
     }
   }
 
   void NotifyCueDisplayStatesChanged();
 
-  bool GetHasUserInteraction()
-  {
-    return mHasUserInteraction;
-  }
-
   // A method to check whether we are currently playing.
   bool IsCurrentlyPlaying() const;
 
   // Returns true if the media element is being destroyed. Used in
   // dormancy checks to prevent dormant processing for an element
   // that will soon be gone.
   bool IsBeingDestroyed();
 

--- a/dom/html/TextTrackManager.cpp
+++ b/dom/html/TextTrackManager.cpp
@@ -629,17 +629,17 @@ public:
 private:
   nsTArray<RefPtr<TextTrack>> mTextTracks;
 };
 
 void
 TextTrackManager::DispatchUpdateCueDisplay()
 {
   if (!mUpdateCueDisplayDispatched && !IsShutdown() &&
-      (mMediaElement->GetHasUserInteraction() || mMediaElement->IsCurrentlyPlaying())) {
+      mMediaElement->IsCurrentlyPlaying()) {
     WEBVTT_LOG("DispatchUpdateCueDisplay");
     nsPIDOMWindowInner* win = mMediaElement->OwnerDoc()->GetInnerWindow();
     if (win) {
       nsGlobalWindowInner::Cast(win)->Dispatch(
         TaskCategory::Other,
         NewRunnableMethod("dom::TextTrackManager::UpdateCueDisplay",
                           this,
                           &TextTrackManager::UpdateCueDisplay));
@@ -651,17 +651,17 @@ TextTrackManager::DispatchUpdateCueDispl
 void
 TextTrackManager::DispatchTimeMarchesOn()
 {
   // Run the algorithm if no previous instance is still running, otherwise
   // enqueue the current playback position and whether only that changed
   // through its usual monotonic increase during normal playback; current
   // executing call upon completion will check queue for further 'work'.
   if (!mTimeMarchesOnDispatched && !IsShutdown() &&
-      (mMediaElement->GetHasUserInteraction() || mMediaElement->IsCurrentlyPlaying())) {
+      mMediaElement->IsCurrentlyPlaying()) {
     WEBVTT_LOG("DispatchTimeMarchesOn");
     nsPIDOMWindowInner* win = mMediaElement->OwnerDoc()->GetInnerWindow();
     if (win) {
       nsGlobalWindowInner::Cast(win)->Dispatch(
         TaskCategory::Other,
         NewRunnableMethod("dom::TextTrackManager::TimeMarchesOn",
                           this,
                           &TextTrackManager::TimeMarchesOn));