Bug 1195625 - Use correct TaskQueue in SharedDecoderManager and H264Converter promise. r=jya

--HG--
extra : rebase_source : 6fb73739441e9236b268d6b3d085233643d4fcde

dom/media/platforms/SharedDecoderManager.cpp

@@ -187,11 +187,8 @@ SharedDecoderManager::InitDecoder()
     nsRefPtr<SharedDecoderManager> self = this;
     nsRefPtr<MediaDataDecoder::InitPromise> p = mDecoderInitPromise.Ensure(__func__);
 
-    // The mTaskQueue is flushable which can't be used in MediaPromise. So we get
-    // the current AbstractThread instead of it. The MOZ_ASSERT above ensures
-    // we are running in AbstractThread so we won't get a nullptr.
     mDecoderInitPromiseRequest.Begin(
-      mDecoder->Init()->Then(AbstractThread::GetCurrent(), __func__,
+      mDecoder->Init()->Then(AbstractThread::GetCurrent()->AsTaskQueue(), __func__,
         [self] (TrackInfo::TrackType aType) -> void {
           self->mDecoderInitPromiseRequest.Complete();
           self->mInit = true;

dom/media/platforms/wrappers/H264Converter.cpp

@@ -168,11 +168,8 @@ H264Converter::CreateDecoderAndInit(MediaRawData* aSample)
 
     nsRefPtr<H264Converter> self = this;
 
-    // The mVideoTaskQueue is flushable which can't be used in MediaPromise. So
-    // we get the current AbstractThread instead of it. The MOZ_ASSERT above
-    // ensures we are running in AbstractThread so we won't get a nullptr.
     mInitPromiseRequest.Begin(mDecoder->Init()
-      ->Then(AbstractThread::GetCurrent(), __func__, this,
+      ->Then(AbstractThread::GetCurrent()->AsTaskQueue(), __func__, this,
              &H264Converter::OnDecoderInitDone,
              &H264Converter::OnDecoderInitFailed));
   }