Remove by-reference implementations of blink::WebMediaPlayer::buffered()

content/renderer/media/android/media_source_delegate.h

Index: content/renderer/media/android/media_source_delegate.h
diff --git a/content/renderer/media/android/media_source_delegate.h b/content/renderer/media/android/media_source_delegate.h
index 75de676daaeefe4d9620e5f55a8aeabf120b4410..45854f21d003c88c5f8bc4d9be7cccbad34e7c65 100644
--- a/content/renderer/media/android/media_source_delegate.h
+++ b/content/renderer/media/android/media_source_delegate.h
@@ -67,7 +67,6 @@ class MediaSourceDelegate : public media::DemuxerHost {
       const UpdateNetworkStateCB& update_network_state_cb,
       const DurationChangeCB& duration_change_cb);
 
-  const blink::WebTimeRanges& Buffered();
   blink::WebTimeRanges Buffered() const;
   size_t DecodedFrameCount() const;
   size_t DroppedFrameCount() const;
@@ -206,8 +205,6 @@ class MediaSourceDelegate : public media::DemuxerHost {
 
   media::PipelineStatistics statistics_;
   media::Ranges<base::TimeDelta> buffered_time_ranges_;
-  // Keep a list of buffered time ranges.
-  blink::WebTimeRanges buffered_web_time_ranges_;
 
   MediaSourceOpenedCB media_source_opened_cb_;
   media::Demuxer::NeedKeyCB need_key_cb_;