Make ChunkDemuxer::SetTimestampOffset take a TimeDelta instead of double

webkit/media/webmediaplayer_proxy.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 WEBKIT_MEDIA_WEBMEDIAPLAYER_PROXY_H_
 #define WEBKIT_MEDIA_WEBMEDIAPLAYER_PROXY_H_
 
 #include <list>
 #include <string>
 #include <vector>
@@ skipping 80 matching lines @@
   void DemuxerCancelPendingSeek();
   media::ChunkDemuxer::Status DemuxerAddId(const std::string& id,
                                            const std::string& type,
                                            std::vector<std::string>& codecs);
   void DemuxerRemoveId(const std::string& id);
   media::Ranges<base::TimeDelta> DemuxerBufferedRange(const std::string& id);
   bool DemuxerAppend(const std::string& id, const uint8* data, size_t length);
   void DemuxerAbort(const std::string& id);
   void DemuxerEndOfStream(media::PipelineStatus status);
   void DemuxerShutdown();
-  bool DemuxerSetTimestampOffset(const std::string& id, double offset);
+  bool DemuxerSetTimestampOffset(const std::string& id, base::TimeDelta offset);
 
   // DecryptorClient implementation.
   virtual void KeyAdded(const std::string& key_system,
                         const std::string& session_id) OVERRIDE;
   virtual void KeyError(const std::string& key_system,
                         const std::string& session_id,
                         media::Decryptor::KeyError error_code,
                         int system_code) OVERRIDE;
   virtual void KeyMessage(const std::string& key_system,
                           const std::string& session_id,
@@ skipping 66 matching lines @@
   int outstanding_repaints_;
 
   scoped_refptr<media::ChunkDemuxer> chunk_demuxer_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(WebMediaPlayerProxy);
 };
 
 }  // namespace webkit_media
 
 #endif  // WEBKIT_MEDIA_WEBMEDIAPLAYER_PROXY_H_