Correct logic to bind "encrypted" event in EME player_utils.js.

media/test/data/eme_player_js/player_utils.js

Index: media/test/data/eme_player_js/player_utils.js
diff --git a/media/test/data/eme_player_js/player_utils.js b/media/test/data/eme_player_js/player_utils.js
index 0e92ecd8b1990eee00d66ce0160e197f938cc9e8..16f3de6c5d86d60cc1dad0191bac56078f7b4253 100644
--- a/media/test/data/eme_player_js/player_utils.js
+++ b/media/test/data/eme_player_js/player_utils.js
@@ -85,11 +85,8 @@ PlayerUtils.registerEMEEventListeners = function(player) {
 
   // TODO(sandersd): Stop registering 'needkey' after it is renamed to
   // 'encrypted'.
-  if (player.video.onencrypted) {
-    player.video.addEventListener('encrypted', encrypted_handler);
-  } else {
-    player.video.addEventListener('needkey', encrypted_handler);
-  }
+  player.video.addEventListener('encrypted', encrypted_handler);
+  player.video.addEventListener('needkey', encrypted_handler);
 
   this.registerDefaultEventListeners(player);
   try {