Log MediaSource parsing errors to the MediaLog so they can appear in chrome:media-internals.

media/mp4/track_run_iterator.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_MP4_TRACK_RUN_ITERATOR_H_
 #define MEDIA_MP4_TRACK_RUN_ITERATOR_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
 #include "media/base/media_export.h"
+#include "media/base/media_log.h"
 #include "media/mp4/box_definitions.h"
 #include "media/mp4/cenc.h"
 
 namespace media {
 
 class DecryptConfig;
 
 namespace mp4 {
 
 using base::TimeDelta;
 base::TimeDelta MEDIA_EXPORT TimeDeltaFromRational(int64 numer, int64 denom);
 
 struct SampleInfo;
 struct TrackRunInfo;
 
 class MEDIA_EXPORT TrackRunIterator {
  public:
   // Create a new TrackRunIterator. A reference to |moov| will be retained for
   // the lifetime of this object.
-  explicit TrackRunIterator(const Movie* moov);
+  TrackRunIterator(const Movie* moov, const LogCB& log_cb);
   ~TrackRunIterator();
 
   void Reset();
 
   // Sets up the iterator to handle all the runs from the current fragment.
   bool Init(const MovieFragment& moof);
 
   // Returns true if the properties of the current run or sample are valid.
   bool IsRunValid() const;
   bool IsSampleValid() const;
@@ skipping 42 matching lines @@
 
   // Only call when is_encrypted() is true and AuxInfoNeedsToBeCached() is
   // false. Result is owned by caller.
   scoped_ptr<DecryptConfig> GetDecryptConfig();
 
  private:
   void ResetRun();
   const TrackEncryption& track_encryption() const;
 
   const Movie* moov_;
+  LogCB log_cb_;
 
   std::vector<TrackRunInfo> runs_;
   std::vector<TrackRunInfo>::const_iterator run_itr_;
   std::vector<SampleInfo>::const_iterator sample_itr_;
 
   std::vector<FrameCENCInfo> cenc_info_;
 
   int64 sample_dts_;
   int64 sample_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(TrackRunIterator);
 };
 
 }  // namespace mp4
 }  // namespace media
 
 #endif  // MEDIA_MP4_TRACK_RUN_ITERATOR_H_