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

media/filters/source_buffer_stream.cc

 // 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.
 
 #include "media/filters/source_buffer_stream.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/bind.h"
@@ skipping 1043 matching lines @@
 
 Ranges<base::TimeDelta> SourceBufferStream::GetBufferedTime() const {
   Ranges<base::TimeDelta> ranges;
   for (RangeList::const_iterator itr = ranges_.begin();
        itr != ranges_.end(); ++itr) {
     ranges.Add((*itr)->GetStartTimestamp(), (*itr)->GetBufferedEndTimestamp());
   }
   return ranges;
 }
 
-void SourceBufferStream::EndOfStream() {
+void SourceBufferStream::MarkEndOfStream() {
   DCHECK(!end_of_stream_);
   end_of_stream_ = true;
 }
 
-void SourceBufferStream::CancelEndOfStream() {
+void SourceBufferStream::UnmarkEndOfStream() {
   DCHECK(end_of_stream_);
   end_of_stream_ = false;
 }
 
 bool SourceBufferStream::IsEndSelected() const {
   if (ranges_.empty())
     return true;
 
   if (seek_pending_)
     return seek_buffer_timestamp_ >= ranges_.back()->GetBufferedEndTimestamp();
@@ skipping 689 matching lines @@
   return ComputeFudgeRoom(GetApproximateDuration());
 }
 
 base::TimeDelta SourceBufferRange::GetApproximateDuration() const {
   base::TimeDelta max_interbuffer_distance = interbuffer_distance_cb_.Run();
   DCHECK(max_interbuffer_distance != kNoTimestamp());
   return max_interbuffer_distance;
 }
 
 }  // namespace media