Revert of media: Add "Hide players" button in about://media-internals

content/browser/resources/media/manager.js

Index: content/browser/resources/media/manager.js
diff --git a/content/browser/resources/media/manager.js b/content/browser/resources/media/manager.js
index 3258e42e7618737f9ca6186d1bb0ceb3af3cee39..27f6b990eddf7568c2de03cef99694753e4f5263 100644
--- a/content/browser/resources/media/manager.js
+++ b/content/browser/resources/media/manager.js
@@ -16,9 +16,6 @@
     this.players_ = {};
     this.audioComponents_ = [];
     this.clientRenderer_ = clientRenderer;
-
-    this.hidePlayersButton = document.getElementById('hide-players-button');
-    this.hidePlayersButton.onclick = this.hidePlayers_.bind(this);
   }
 
   Manager.prototype = {
@@ -79,12 +76,6 @@
       var playerRemoved = this.players_[id];
       delete this.players_[id];
       this.clientRenderer_.playerRemoved(this.players_, playerRemoved);
-    },
-
-    hidePlayers_: function() {
-      util.object.forEach(this.players_, function(playerInfo, id) {
-        this.removePlayer(id);
-      }, this);
     },
 
     updatePlayerInfoNoRecord: function(id, timestamp, key, value) {