Bug 1390443. P2 - remove unused IsExpectingMoreData(). r=cpearce

MozReview-Commit-ID: KTxmjIrD1WB

--HG--
extra : rebase_source : 8c1fc9b4da08290f7a177ef60793c831b0cc7a25
extra : intermediate-source : a86b94e4bdc04bae34f6e8966dfe9b5e11f98677
extra : source : 498e2844d2d0d1cee087552f5aaf5aac7e34c3bf

dom/media/MediaDecoderStateMachine.cpp

@@ -260,14 +260,6 @@ protected:
   MediaResource* Resource() const { return mMaster->mResource; }
   ReaderProxy* Reader() const { return mMaster->mReader; }
   const MediaInfo& Info() const { return mMaster->Info(); }
-  bool IsExpectingMoreData() const
-  {
-    // We are expecting more data if either the resource states so, or if we
-    // have a waiting promise pending (such as with non-MSE EME).
-    return Resource()->IsExpectingMoreData()
-           || mMaster->IsWaitingAudioData()
-           || mMaster->IsWaitingVideoData();
-  }
   MediaQueue<AudioData>& AudioQueue() const { return mMaster->mAudioQueue; }
   MediaQueue<VideoData>& VideoQueue() const { return mMaster->mVideoQueue; }
 

dom/media/MediaResource.h

@@ -214,15 +214,6 @@ public:
   // Returns true if all the data from aOffset to the end of the stream
   // is in cache. If the end of the stream is not known, we return false.
   virtual bool IsDataCachedToEndOfResource(int64_t aOffset) = 0;
-  // Returns true if we are expecting any more data to arrive
-  // sometime in the not-too-distant future, either from the network or from
-  // an appendBuffer call on a MediaSource element.
-  virtual bool IsExpectingMoreData()
-  {
-    // MediaDecoder::mDecoderPosition is roughly the same as Tell() which
-    // returns a position updated by latest Read() or ReadAt().
-    return !IsDataCachedToEndOfResource(Tell()) && !IsSuspended();
-  }
   // Returns true if this stream is suspended by the cache because the
   // cache is full. If true then the decoder should try to start consuming
   // data, otherwise we may not be able to make progress.

dom/media/hls/HLSResource.h

@@ -86,11 +86,6 @@ public:
     return false;
   }
 
-  bool IsExpectingMoreData() override
-  {
-    return false;
-  }
-
   java::GeckoHLSResourceWrapper::GlobalRef GetResourceWrapper() {
     return mHLSResourceWrapper;
   }

dom/media/mediasource/MediaSourceResource.h

@@ -70,12 +70,6 @@ public:
     mEnded = aEnded;
   }
 
-  bool IsExpectingMoreData() override
-  {
-    MonitorAutoLock mon(mMonitor);
-    return !mEnded;
-  }
-
 private:
   size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override
   {

dom/media/mediasource/SourceBufferResource.h

@@ -113,11 +113,6 @@ public:
     return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
   }
 
-  bool IsExpectingMoreData() override
-  {
-    return false;
-  }
-
   // Used by SourceBuffer.
   void AppendData(MediaByteBuffer* aData);
   void Ended();