Add timelineOffset() support to WebMediaPlayerAndroid.

content/renderer/media/android/webmediaplayer_android.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 "content/renderer/media/android/webmediaplayer_android.h"
 
 #include <limits>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 379 matching lines @@
   // HTML5 spec requires duration to be NaN if readyState is HAVE_NOTHING
   if (ready_state_ == WebMediaPlayer::ReadyStateHaveNothing)
     return std::numeric_limits<double>::quiet_NaN();
 
   if (duration_ == media::kInfiniteDuration())
     return std::numeric_limits<double>::infinity();
 
   return duration_.InSecondsF();
 }
 
+double WebMediaPlayerAndroid::timelineOffset() const {
+  base::Time timeline_offset;
+  if (media_source_delegate_)
+    timeline_offset = media_source_delegate_->GetTimelineOffset();
+
+  if (timeline_offset.is_null())
+    return std::numeric_limits<double>::quiet_NaN();
+
+  return timeline_offset.ToJsTime();
+}
+
 double WebMediaPlayerAndroid::currentTime() const {
   // If the player is processing a seek, return the seek time.
   // Blink may still query us if updatePlaybackState() occurs while seeking.
   if (seeking()) {
     return pending_seek_ ?
         pending_seek_time_.InSecondsF() : seek_time_.InSecondsF();
   }
 
   return current_time_;
 }
@@ skipping 1134 matching lines @@
 
 void WebMediaPlayerAndroid::exitFullscreen() {
   manager_->ExitFullscreen(player_id_);
 }
 
 bool WebMediaPlayerAndroid::canEnterFullscreen() const {
   return manager_->CanEnterFullscreen(frame_);
 }
 
 }  // namespace content