Stop using WebMediaPlayerClient::preload() and volume()

content/renderer/media/webmediaplayer_impl.h

Index: content/renderer/media/webmediaplayer_impl.h
diff --git a/content/renderer/media/webmediaplayer_impl.h b/content/renderer/media/webmediaplayer_impl.h
index d933302c6bd94281fa4a714f7b526fb1723dfc41..8d40a8486d9034e30d91b410061df2382031eab1 100644
--- a/content/renderer/media/webmediaplayer_impl.h
+++ b/content/renderer/media/webmediaplayer_impl.h
@@ -239,6 +239,9 @@ class WebMediaPlayerImpl
   blink::WebMediaPlayer::NetworkState network_state_;
   blink::WebMediaPlayer::ReadyState ready_state_;
 
+  // Preload state for when |data_source_| is created after setPreload().
+  content::Preload preload_;
+
   // Message loops for posting tasks on Chrome's main thread. Also used
   // for DCHECKs so methods calls won't execute in the wrong thread.
   const scoped_refptr<base::MessageLoopProxy> main_loop_;