MSE: Add StreamParser buffer remuxing utility and tests

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 1677 matching lines @@
   }
 
   return split_range;
 }
 
 SourceBufferRange::BufferQueue::iterator SourceBufferRange::GetBufferItrAt(
     base::TimeDelta timestamp, bool skip_given_timestamp) {
   // Need to make a dummy buffer with timestamp |timestamp| in order to search
   // the |buffers_| container.
   scoped_refptr<StreamParserBuffer> dummy_buffer =
-      StreamParserBuffer::CopyFrom(NULL, 0, false);
+      StreamParserBuffer::CopyFrom(NULL, 0, false, DemuxerStream::UNKNOWN);
   dummy_buffer->SetDecodeTimestamp(timestamp);
 
   if (skip_given_timestamp) {
     return std::upper_bound(
         buffers_.begin(), buffers_.end(), dummy_buffer, BufferComparator);
   }
   return std::lower_bound(
       buffers_.begin(), buffers_.end(), dummy_buffer, BufferComparator);
 }
 
@@ skipping 369 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