--- a/dom/media/MediaDecoderStateMachine.cpp
+++ b/dom/media/MediaDecoderStateMachine.cpp
@@ -905,16 +905,21 @@ public:
 
   bool HandleAudioCaptured() override
   {
     // MediaSink is changed. Schedule Step() to check if we can start playback.
     mMaster->ScheduleStateMachine();
     return true;
   }
 
+  void HandleVideoSuspendTimeout() override
+  {
+    // Do nothing since no decoding is going on.
+  }
+
 private:
   bool mSentPlaybackEndedEvent = false;
 };
 
 class MediaDecoderStateMachine::ShutdownState
   : public MediaDecoderStateMachine::StateObject
 {
 public: