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

content/renderer/media/webmediaplayer_ms.cc

Index: content/renderer/media/webmediaplayer_ms.cc
diff --git a/content/renderer/media/webmediaplayer_ms.cc b/content/renderer/media/webmediaplayer_ms.cc
index 64d2f3a2d210c99216b119464542fd515a0501c2..28a3bce75e0a219d1258e5920c9e960e989cb4fe 100644
--- a/content/renderer/media/webmediaplayer_ms.cc
+++ b/content/renderer/media/webmediaplayer_ms.cc
@@ -301,11 +301,6 @@ WebMediaPlayer::ReadyState WebMediaPlayerMS::readyState() const {
   return ready_state_;
 }
 
-const blink::WebTimeRanges& WebMediaPlayerMS::buffered() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  return buffered_;
-}
-
 blink::WebTimeRanges WebMediaPlayerMS::buffered() const {
   DCHECK(thread_checker_.CalledOnValidThread());
   return buffered_;