Revert of webrtc-internals: dont remove tab

content/browser/resources/media/webrtc_internals.js

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var USER_MEDIA_TAB_ID = 'user-media-tab-id';
 
 var tabView = null;
 var ssrcInfoManager = null;
 var peerConnectionUpdateTable = null;
 var statsTable = null;
@@ skipping 163 matching lines @@
 /**
  * Removes all information about a peer connection.
  *
  * @param {!Object<number>} data The object containing the pid and lid of a peer
  *     connection.
  */
 function removePeerConnection(data) {
   var element = $(getPeerConnectionId(data));
   if (element) {
     delete peerConnectionDataStore[element.id];
-    // add a [x] button to close this tab instead of removing it immediately.
-    tabView.makeTabRemovable(element.id);
+    tabView.removeTab(element.id);
   }
 }
 
 
 /**
  * Adds a peer connection.
  *
  * @param {!Object} data The object containing the pid, lid, url,
  *     rtcConfiguration, and constraints of a peer connection.
  */
@@ skipping 143 matching lines @@
 function eventLogRecordingsFileSelectionCancelled() {
   dumpCreator.disableEventLogRecordings();
 }
 
 /**
  * Set
  */
 function enableAudioDebugRecordings() {
   dumpCreator.enableAudioDebugRecordings();
 }