Fix various operations in ChunkDemuxer that were not being applied to text tracks.

media/filters/chunk_demuxer.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_FILTERS_CHUNK_DEMUXER_H_
 #define MEDIA_FILTERS_CHUNK_DEMUXER_H_
 
 #include <map>
 #include <string>
 #include <utility>
@@ skipping 119 matching lines @@
   void MarkEndOfStream(PipelineStatus status);
   void UnmarkEndOfStream();
 
   // Set the append window start and end values for the source buffer
   // associated with |id|.
   void SetAppendWindowStart(const std::string& id, base::TimeDelta start);
   void SetAppendWindowEnd(const std::string& id, base::TimeDelta end);
 
   void Shutdown();
 
+  // Sets the memory limit on each stream. |memory_limit| is the
+  // maximum number of bytes each stream is allowed to hold in its buffer.
   void SetMemoryLimitsForTesting(int memory_limit);
 
   // Returns the ranges representing the buffered data in the demuxer.
   // TODO(wolenetz): Remove this method once MediaSourceDelegate no longer
   // requires it for doing hack browser seeks to I-frame on Android. See
   // http://crbug.com/304234.
   Ranges<base::TimeDelta> GetBufferedRanges() const;
 
  private:
   enum State {
@@ skipping 61 matching lines @@
 
   // Aborts pending reads on all DemuxerStreams.
   void AbortPendingReads();
 
   // Completes any pending reads if it is possible to do so.
   void CompletePendingReadsIfPossible();
 
   // Seeks all SourceBufferStreams to |seek_time|.
   void SeekAllSources(base::TimeDelta seek_time);
 
+  // Shuts down all DemuxerStreams by calling Shutdown() on
+  // all objects in |source_state_map_|.
+  void ShutdownAllStreams();
+
   mutable base::Lock lock_;
   State state_;
   bool cancel_next_seek_;
 
   DemuxerHost* host_;
   base::Closure open_cb_;
   NeedKeyCB need_key_cb_;
   bool enable_text_;
   // Callback used to report error strings that can help the web developer
   // figure out what is wrong with the content.
@@ skipping 29 matching lines @@
   // removed with RemoveID() but can not be re-added (yet).
   std::string source_id_audio_;
   std::string source_id_video_;
 
   DISALLOW_COPY_AND_ASSIGN(ChunkDemuxer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_CHUNK_DEMUXER_H_