Media Metadata API: Extract raw tags for audio/video.

chrome/utility/media_galleries/media_metadata_parser.cc

 // Copyright 2013 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 "chrome/utility/media_galleries/media_metadata_parser.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 43 matching lines @@
   SetStringScopedPtr(extractor.artist(), &metadata->artist);
   SetStringScopedPtr(extractor.comment(), &metadata->comment);
   SetStringScopedPtr(extractor.copyright(), &metadata->copyright);
   SetIntScopedPtr(extractor.disc(), &metadata->disc);
   SetStringScopedPtr(extractor.genre(), &metadata->genre);
   SetStringScopedPtr(extractor.language(), &metadata->language);
   SetIntScopedPtr(extractor.rotation(), &metadata->rotation);
   SetStringScopedPtr(extractor.title(), &metadata->title);
   SetIntScopedPtr(extractor.track(), &metadata->track);
 
+  for (std::map<std::string, std::string>::const_iterator it =
+           extractor.raw_tags().begin();
+       it != extractor.raw_tags().end(); ++it) {
+    metadata->raw_tags.additional_properties.SetString(it->first, it->second);
+  }
+
   return metadata.Pass();
 }
 
 }  // namespace
 
 MediaMetadataParser::MediaMetadataParser(media::DataSource* source,
                                          const std::string& mime_type)
     : source_(source),
       mime_type_(mime_type) {
 }
@@ skipping 14 matching lines @@
         base::Bind(&ParseAudioVideoMetadata, source_, base::Passed(&metadata)),
         callback);
     return;
   }
 
   // TODO(tommycli): Implement for image mime types.
   callback.Run(metadata.Pass());
 }
 
 }  // namespace metadata