Allow StreamParsers to request automatic timestampOffset updates.

media/formats/webm/webm_stream_parser.cc

 // Copyright 2014 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/formats/webm/webm_stream_parser.h"
 
 #include <string>
 
 #include "base/callback.h"
+#include "base/callback_helpers.h"
 #include "base/logging.h"
 #include "media/formats/webm/webm_cluster_parser.h"
 #include "media/formats/webm/webm_constants.h"
 #include "media/formats/webm/webm_content_encodings.h"
 #include "media/formats/webm/webm_crypto_helpers.h"
 #include "media/formats/webm/webm_info_parser.h"
 #include "media/formats/webm/webm_tracks_parser.h"
 
 namespace media {
 
@@ skipping 187 matching lines @@
       tracks_parser.audio_track_num(),
       tracks_parser.video_track_num(),
       tracks_parser.text_tracks(),
       tracks_parser.ignored_tracks(),
       tracks_parser.audio_encryption_key_id(),
       tracks_parser.video_encryption_key_id(),
       log_cb_));
 
   ChangeState(kParsingClusters);
 
-  if (!init_cb_.is_null()) {
-    init_cb_.Run(true, duration);
-    init_cb_.Reset();
-  }
+  if (!init_cb_.is_null())
+    base::ResetAndReturn(&init_cb_).Run(true, duration, false);
 
   return bytes_parsed;
 }
 
 int WebMStreamParser::ParseCluster(const uint8* data, int size) {
   if (!cluster_parser_)
     return -1;
 
   int id;
   int64 element_size;
@@ skipping 50 matching lines @@
 
   return bytes_parsed;
 }
 
 void WebMStreamParser::FireNeedKey(const std::string& key_id) {
   std::vector<uint8> key_id_vector(key_id.begin(), key_id.end());
   need_key_cb_.Run(kWebMEncryptInitDataType, key_id_vector);
 }
 
 }  // namespace media