--- a/dom/media/platforms/apple/AppleATDecoder.cpp
+++ b/dom/media/platforms/apple/AppleATDecoder.cpp
@@ -15,21 +15,21 @@
 
 extern mozilla::LogModule* GetPDMLog();
 #define LOG(...) MOZ_LOG(GetPDMLog(), mozilla::LogLevel::Debug, (__VA_ARGS__))
 #define FourCC2Str(n) ((char[5]){(char)(n >> 24), (char)(n >> 16), (char)(n >> 8), (char)(n), 0})
 
 namespace mozilla {
 
 AppleATDecoder::AppleATDecoder(const AudioInfo& aConfig,
-                               FlushableTaskQueue* aAudioTaskQueue,
+                               TaskQueue* aTaskQueue,
                                MediaDataDecoderCallback* aCallback)
   : mConfig(aConfig)
   , mFileStreamError(false)
-  , mTaskQueue(aAudioTaskQueue)
+  , mTaskQueue(aTaskQueue)
   , mCallback(aCallback)
   , mConverter(nullptr)
   , mStream(nullptr)
   , mIsFlushing(false)
 {
   MOZ_COUNT_CTOR(AppleATDecoder);
   LOG("Creating Apple AudioToolbox decoder");
   LOG("Audio Decoder configuration: %s %d Hz %d channels %d bits per channel",

--- a/dom/media/platforms/apple/AppleATDecoder.h
+++ b/dom/media/platforms/apple/AppleATDecoder.h
@@ -11,23 +11,23 @@
 #include "PlatformDecoderModule.h"
 #include "mozilla/ReentrantMonitor.h"
 #include "mozilla/Vector.h"
 #include "nsIThread.h"
 #include "AudioConverter.h"
 
 namespace mozilla {
 
-class FlushableTaskQueue;
+class TaskQueue;
 class MediaDataDecoderCallback;
 
 class AppleATDecoder : public MediaDataDecoder {
 public:
   AppleATDecoder(const AudioInfo& aConfig,
-                 FlushableTaskQueue* aVideoTaskQueue,
+                 TaskQueue* aTaskQueue,
                  MediaDataDecoderCallback* aCallback);
   virtual ~AppleATDecoder();
 
   RefPtr<InitPromise> Init() override;
   nsresult Input(MediaRawData* aSample) override;
   nsresult Flush() override;
   nsresult Drain() override;
   nsresult Shutdown() override;
@@ -42,17 +42,17 @@ public:
 
   // Use to extract magic cookie for HE-AAC detection.
   nsTArray<uint8_t> mMagicCookie;
   // Will be set to true should an error occurred while attempting to retrieve
   // the magic cookie property.
   bool mFileStreamError;
 
 private:
-  RefPtr<FlushableTaskQueue> mTaskQueue;
+  const RefPtr<TaskQueue> mTaskQueue;
   MediaDataDecoderCallback* mCallback;
   AudioConverterRef mConverter;
   AudioStreamBasicDescription mOutputFormat;
   UInt32 mFormatID;
   AudioFileStreamID mStream;
   nsTArray<RefPtr<MediaRawData>> mQueuedSamples;
   UniquePtr<AudioConfig::ChannelLayout> mChannelLayout;
   UniquePtr<AudioConverter> mAudioConverter;