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

media/mp4/track_run_iterator.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/mp4/track_run_iterator.h"
 
 #include <algorithm>
 
 #include "media/base/stream_parser_buffer.h"
 #include "media/mp4/rcheck.h"
@@ skipping 44 matching lines @@
 }
 TrackRunInfo::~TrackRunInfo() {}
 
 TimeDelta TimeDeltaFromRational(int64 numer, int64 denom) {
   DCHECK_LT((numer > 0 ? numer : -numer),
             kint64max / base::Time::kMicrosecondsPerSecond);
   return TimeDelta::FromMicroseconds(
         base::Time::kMicrosecondsPerSecond * numer / denom);
 }
 
-TrackRunIterator::TrackRunIterator(const Movie* moov)
-    : moov_(moov), sample_offset_(0) {
+TrackRunIterator::TrackRunIterator(const Movie* moov,
+                                   const LogCB& log_cb)
+    : moov_(moov), log_cb_(log_cb), sample_offset_(0) {
   CHECK(moov);
 }
+
 TrackRunIterator::~TrackRunIterator() {}
 
 static void PopulateSampleInfo(const TrackExtends& trex,
                                const TrackFragmentHeader& tfhd,
                                const TrackFragmentRun& trun,
                                const int64 edit_list_offset,
                                const uint32 i,
                                SampleInfo* sample_info) {
   if (i < trun.sample_sizes.size()) {
     sample_info->size = trun.sample_sizes[i];
@@ skipping 344 matching lines @@
 
 scoped_ptr<DecryptConfig> TrackRunIterator::GetDecryptConfig() {
   size_t sample_idx = sample_itr_ - run_itr_->samples.begin();
   DCHECK(sample_idx < cenc_info_.size());
   const FrameCENCInfo& cenc_info = cenc_info_[sample_idx];
   DCHECK(is_encrypted() && !AuxInfoNeedsToBeCached());
 
   if (!cenc_info.subsamples.empty() &&
       (cenc_info.GetTotalSizeOfSubsamples() !=
        static_cast<size_t>(sample_size()))) {
-    DVLOG(1) << "Incorrect CENC subsample size.";
+    MEDIA_LOG(log_cb_) << "Incorrect CENC subsample size.";
     return scoped_ptr<DecryptConfig>();
   }
 
   const std::vector<uint8>& kid = track_encryption().default_kid;
   return scoped_ptr<DecryptConfig>(new DecryptConfig(
       std::string(reinterpret_cast<const char*>(&kid[0]), kid.size()),
       std::string(reinterpret_cast<const char*>(cenc_info.iv),
                   arraysize(cenc_info.iv)),
       0,  // No offset to start of media data in MP4 using CENC.
       cenc_info.subsamples));
 }
 
 }  // namespace mp4
 }  // namespace media