Added the next series of files that go into media-internals.

content/browser/resources/media/new/main.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.
+
+/**
+ * A global object that gets used by the C++ interface.
+ */
+var media = (function() {
+  'use strict';
+
+  var doNothing = function() {

[scherkus (not reviewing), 2013/07/29 23:09:23]

remove this -- not used

[Ty Overby, 2013/07/29 23:26:56]

Done.

+  };
+
+  // Use must call media.initialize();

[scherkus (not reviewing), 2013/07/29 23:09:23]

this comment would be better served as jsdoc on initialize() function

e.g., "Clients must call initialize() prior to calling other methods blah blah
blah"

[Ty Overby, 2013/07/29 23:26:56]

Done.

+  var manager = null;
+
+  function initialize(man) {
+    manager = man;
+  }
+

[scherkus (not reviewing), 2013/07/29 23:09:23]

remove extra blank line (1 blank line is always enough in terms of vertical
whitespace)

[Ty Overby, 2013/07/29 23:26:56]

Done.

+
+  /**
+   * Call to modify or add a system property.
+   */
+  function onSystemProperty(timestamp, key, value) {
+    console.log('System properties not yet implemented');
+  }
+
+  /**
+   * Call to modify or add a property on a player.
+   */
+  function onPlayerProperty(id, timestamp, key, value) {
+    manager.updatePlayerInfo(id, timestamp, key, value);
+  }
+
+  function onPlayerPropertyNoRecord(id, timestamp, key, value) {
+    manager.updatePlayerInfoNoRecord(id, timestamp, key, value);
+  }
+
+  /**
+   * Call to add a player.
+   */
+  function onPlayerOpen(id, timestamp) {
+    manager.addPlayer(id, timestamp);
+  }
+
+  /**
+   * Call to remove a player.
+   */
+  function onPlayerClose(id) {
+    manager.removePlayer(id);
+  }
+
+  var media = {
+    onSystemProperty: onSystemProperty,
+    onPlayerProperty: onPlayerProperty,
+    onPlayerPropertyNoRecord: onPlayerPropertyNoRecord,
+    onPlayerOpen: onPlayerOpen,
+    onPlayerClose: onPlayerClose,
+
+    initialize: initialize,
+
+    getManager: function() {

[scherkus (not reviewing), 2013/07/29 23:09:23]

this doesn't appear to be used anymore -- remove

[Ty Overby, 2013/07/29 23:26:56]

Done.

+      return manager;
+    }
+  };
+
+  // Everything beyond this point is for backwards compatibility reasons.
+  // It will go away when the backend is updated.
+
+  media.onNetUpdate = function(update) {
+    // TODO(tyoverby): Implement
+  };
+
+  media.onRendererTerminated = function(renderId) {
+    util.object.forEach(manager.players_, function(playerInfo, id) {
+      if (playerInfo.properties['render_id'] == renderId) {
+        media.onPlayerClose(id);
+      }
+    });
+  };
+
+  // For whatever reason, addAudioStream is also called on
+  // the removal of audio streams.
+  media.addAudioStream = function(event) {
+    switch (event.status) {
+      case 'created':
+        media.onPlayerOpen(event.id);
+        // We have to simulate the timestamp since it isn't provided to us.
+        media.onPlayerProperty(
+            event.id, (new Date()).getTime(), 'playing', event.playing);
+        break;
+      case 'closed':
+        media.onPlayerClose(event.id);
+        break;
+    }
+  };
+  media.onItemDeleted = function() {
+    // This only gets called when an audio stream is removed, which
+    // for whatever reason is also handled by addAudioStream...
+    // Because it is already handled, we can safely ignore it.
+  };
+
+  media.onMediaEvent = function(event) {
+    var source = event.renderer + ':' + event.player;
+
+    // Although this gets called on every event, there is nothing we can do
+    // about this because there is no onOpen event.
+    media.onPlayerOpen(source);
+    media.onPlayerPropertyNoRecord(
+        source, event.ticksMillis, 'render_id', event.renderer);
+    media.onPlayerPropertyNoRecord(
+        source, event.ticksMillis, 'player_id', event.player);
+
+    var propertyCount = 0;
+    util.object.forEach(event.params, function(value, key) {
+      key = key.trim();
+
+      // These keys get spammed *a lot*, so put them on the display
+      // but don't log list.
+      if (key === 'buffer_start' ||
+          key === 'buffer_end' ||
+          key === 'buffer_current' ||
+          key === 'is_downloading_data') {
+        media.onPlayerPropertyNoRecord(
+            source, event.ticksMillis, key, value);
+      } else {
+        media.onPlayerProperty(source, event.ticksMillis, key, value);
+      }
+      propertyCount += 1;
+    });
+
+    if (propertyCount === 0) {
+      media.onPlayerProperty(
+          source, event.ticksMillis, 'EVENT', event.type);
+    }
+  };
+
+  return media;
+}());