Bug 1297265: P6. Rework Opus Decoder use of InputExhausted. r=kamidphish

MozReview-Commit-ID: 4Usxx2BrQJt

--HG--
extra : rebase_source : 5c74c41db2d11171d4a9c22e712fffb85168caf3

dom/media/platforms/agnostic/OpusDecoder.cpp

@@ -165,10 +165,6 @@ OpusDataDecoder::ProcessDecode(MediaRawData* aSample)
     case DecodeError::DECODE_SUCCESS:
       break;
   }
-
-  if (mTaskQueue->IsEmpty()) {
-    mCallback->InputExhausted();
-  }
 }
 
 OpusDataDecoder::DecodeError