Update the WebMediaSourceClientImpl & ChunkDemuxer to received explicit end of stream cancellation.

media/filters/chunk_demuxer.h

Index: media/filters/chunk_demuxer.h
diff --git a/media/filters/chunk_demuxer.h b/media/filters/chunk_demuxer.h
index 56422003c5ce5c8f46d73d06bf494c6a9b000054..ac1295abd1674024734ad79a0f46bba88561e35b 100644
--- a/media/filters/chunk_demuxer.h
+++ b/media/filters/chunk_demuxer.h
@@ -125,7 +125,8 @@ class MEDIA_EXPORT ChunkDemuxer : public Demuxer {
   bool SetTimestampOffset(const std::string& id, base::TimeDelta offset);
 
   // Signals an EndOfStream request.

[scherkus (not reviewing), 2013/07/19 20:35:47]

do you want to keep the EndOfStream formatting in this comment?

[acolwell GONE FROM CHROMIUM, 2013/07/19 20:45:54]

Nope. Reworded the comment.

-  void EndOfStream(PipelineStatus status);
+  void MarkEndOfStream(PipelineStatus status);
+  void UnmarkEndOfStream();
   void Shutdown();
 
   void SetMemoryLimitsForTesting(int memory_limit);