Apply content-security-policy directive to chrome://media-internals

chrome/browser/resources/media_internals/media_internals.js

 // Copyright (c) 2011 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.
 
+<include src="cache_entry.js"/>
+<include src="item_store.js"/>
+<include src="disjoint_range_set.js"/>
+
 cr.define('media', function() {
 
   // Stores information on open audio streams, referenced by id.
   var audioStreams = new media.ItemStore;
 
   // Cached files indexed by key and source id.
   var cacheEntriesByKey = {};
   var cacheEntries = {};
 
   // Map of event source -> url.
@@ skipping 26 matching lines @@
      * Render a single stream as a <li>.
      * @param {Object} stream The stream to render.
      * @return {HTMLElement} A <li> containing the stream information.
      */
     printStream = function(stream) {
       var out = document.createElement('li');
       out.id = stream.id;
       out.className = 'audio-stream';
       out.setAttribute('status', stream.status);
 
-      out.innerHTML += 'Audio stream ' + stream.id.split('.')[1];
-      out.innerHTML += ' is ' + (stream.playing ? 'playing' : 'paused');
-      out.innerHTML += ' at ' + Math.round(stream.volume * 100) + '% volume.';
+      out.textContent += 'Audio stream ' + stream.id.split('.')[1];
+      out.textContent += ' is ' + (stream.playing ? 'playing' : 'paused');
+      out.textContent += ' at ' + Math.round(stream.volume * 100) + '% volume.';
       return out;
     };
 
     var out = document.createElement('ul');
     audioStreams.map(printStream).forEach(function(s) {
       out.appendChild(s)
     });
 
     audioStreamDiv.textContent = '';
     audioStreamDiv.appendChild(out);
@@ skipping 135 matching lines @@
     onReceiveConstants: onReceiveConstants,
   };
 });
 
 /**
  * Initialize everything once we have access to the DOM.
  */
 window.onload = function() {
   media.initialize();
 };