Make ChunkDemuxer::SetTimestampOffset take a TimeDelta instead of double

webkit/media/webmediaplayer_impl.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 "webkit/media/webmediaplayer_impl.h"
 
 #include <limits>
 #include <string>
 #include <vector>
 
@@ skipping 669 matching lines @@
 
   float old_duration = duration();
   proxy_->DemuxerEndOfStream(pipeline_status);
 
   if (old_duration != duration())
     GetClient()->durationChanged();
 }
 
 bool WebMediaPlayerImpl::sourceSetTimestampOffset(const WebKit::WebString& id,
                                                   double offset) {
-  return proxy_->DemuxerSetTimestampOffset(id.utf8().data(), offset);
+  base::TimeDelta time_offset = base::TimeDelta::FromMicroseconds(
+      offset * base::Time::kMicrosecondsPerSecond);
+  return proxy_->DemuxerSetTimestampOffset(id.utf8().data(), time_offset);
 }
 
 WebKit::WebMediaPlayer::MediaKeyException
 WebMediaPlayerImpl::generateKeyRequest(const WebString& key_system,
                                        const unsigned char* init_data,
                                        unsigned init_data_length) {
   if (!IsSupportedKeySystem(key_system))
     return WebKit::WebMediaPlayer::MediaKeyExceptionKeySystemNotSupported;
 
   // We do not support run-time switching between key systems for now.
@@ skipping 329 matching lines @@
   return audio_source_provider_;
 }
 
 void WebMediaPlayerImpl::IncrementExternallyAllocatedMemory() {
   DCHECK_EQ(main_loop_, MessageLoop::current());
   incremented_externally_allocated_memory_ = true;
   v8::V8::AdjustAmountOfExternalAllocatedMemory(kPlayerExtraMemory);
 }
 
 }  // namespace webkit_media