--- a/dom/media/platforms/agnostic/OpusDecoder.cpp
+++ b/dom/media/platforms/agnostic/OpusDecoder.cpp
@@ -17,17 +17,17 @@
 
 extern mozilla::LogModule* GetPDMLog();
 #define OPUS_DEBUG(arg, ...) MOZ_LOG(GetPDMLog(), mozilla::LogLevel::Debug, \
     ("OpusDataDecoder(%p)::%s: " arg, this, __func__, ##__VA_ARGS__))
 
 namespace mozilla {
 
 OpusDataDecoder::OpusDataDecoder(const AudioInfo& aConfig,
-                                 FlushableTaskQueue* aTaskQueue,
+                                 TaskQueue* aTaskQueue,
                                  MediaDataDecoderCallback* aCallback)
   : mInfo(aConfig)
   , mTaskQueue(aTaskQueue)
   , mCallback(aCallback)
   , mOpusDecoder(nullptr)
   , mSkip(0)
   , mDecodedHeader(false)
   , mPaddingDiscarded(false)

--- a/dom/media/platforms/agnostic/OpusDecoder.h
+++ b/dom/media/platforms/agnostic/OpusDecoder.h
@@ -13,17 +13,17 @@
 #include "nsAutoPtr.h"
 
 namespace mozilla {
 
 class OpusDataDecoder : public MediaDataDecoder
 {
 public:
   OpusDataDecoder(const AudioInfo& aConfig,
-                  FlushableTaskQueue* aTaskQueue,
+                  TaskQueue* aTaskQueue,
                   MediaDataDecoderCallback* aCallback);
   ~OpusDataDecoder();
 
   RefPtr<InitPromise> Init() override;
   nsresult Input(MediaRawData* aSample) override;
   nsresult Flush() override;
   nsresult Drain() override;
   nsresult Shutdown() override;
@@ -38,17 +38,17 @@ public:
 private:
   nsresult DecodeHeader(const unsigned char* aData, size_t aLength);
 
   void ProcessDecode(MediaRawData* aSample);
   int DoDecode(MediaRawData* aSample);
   void ProcessDrain();
 
   const AudioInfo& mInfo;
-  RefPtr<FlushableTaskQueue> mTaskQueue;
+  const RefPtr<TaskQueue> mTaskQueue;
   MediaDataDecoderCallback* mCallback;
 
   // Opus decoder state
   nsAutoPtr<OpusParser> mOpusParser;
   OpusMSDecoder* mOpusDecoder;
 
   uint16_t mSkip;        // Samples left to trim before playback.
   bool mDecodedHeader;