Delete the audio modem and copresence private APIs.

chrome/browser/resources/whispernet_proxy/js/nacl.js

-// Copyright 2014 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.
-
-'use strict';
-
-/**
- * Constructor for the Nacl bridge to the whispernet wrapper.
- * @param {string} nmf The relative path to the nmf containing the location of
- * the whispernet Nacl wrapper.
- * @param {function()} readyCallback Callback to be called once we've loaded the
- * whispernet wrapper.
- */
-function NaclBridge(nmf, readyCallback) {
-  this.readyCallback_ = readyCallback;
-  this.callbacks_ = [];
-  this.isEnabled_ = false;
-  this.naclId_ = this.loadNacl_(nmf);
-}
-
-/**
- * Method to send generic byte data to the whispernet wrapper.
- * @param {Object} data Raw data to send to the whispernet wrapper.
- */
-NaclBridge.prototype.send = function(data) {
-  if (this.isEnabled_) {
-    this.embed_.postMessage(data);
-  } else {
-    console.error('Whisper Nacl Bridge not initialized!');
-  }
-};
-
-/**
- * Method to add a listener to Nacl messages received by this bridge.
- * @param {function(Event)} messageCallback Callback to receive the messsage.
- */
-NaclBridge.prototype.addListener = function(messageCallback) {
-  this.callbacks_.push(messageCallback);
-};
-
-/**
- * Method that receives Nacl messages and forwards them to registered
- * callbacks.
- * @param {Event} e Event from the whispernet wrapper.
- * @private
- */
-NaclBridge.prototype.onMessage_ = function(e) {
-  if (this.isEnabled_) {
-    this.callbacks_.forEach(function(callback) {
-      callback(e);
-    });
-  }
-};
-
-/**
- * Injects the <embed> for this nacl manifest URL, generating a unique ID.
- * @param {string} manifestUrl Url to the nacl manifest to load.
- * @return {number} generated ID.
- * @private
- */
-NaclBridge.prototype.loadNacl_ = function(manifestUrl) {
-  var id = 'nacl-' + Math.floor(Math.random() * 10000);
-  this.embed_ = document.createElement('embed');
-  this.embed_.name = 'nacl_module';
-  this.embed_.width = 1;
-  this.embed_.height = 1;
-  this.embed_.src = manifestUrl;
-  this.embed_.id = id;
-  this.embed_.type = 'application/x-pnacl';
-
-  // Wait for the element to load and callback.
-  this.embed_.addEventListener('load', this.onNaclReady_.bind(this));
-  this.embed_.addEventListener('error', this.onNaclError_.bind(this));
-
-  // Inject the embed string into the page.
-  document.body.appendChild(this.embed_);
-
-  // Listen for messages from the NaCl module.
-  window.addEventListener('message', this.onMessage_.bind(this), true);
-  return id;
-};
-
-/**
- * Called when the Whispernet wrapper is loaded.
- * @private
- */
-NaclBridge.prototype.onNaclReady_ = function() {
-  this.isEnabled_ = true;
-  if (this.readyCallback_)
-    this.readyCallback_();
-};
-
-/**
- * Callback that handles Nacl errors.
- * @param {string} msg Error string.
- * @private
- */
-NaclBridge.prototype.onNaclError_ = function(msg) {
-  // TODO(rkc): Handle error from NaCl better.
-  console.error('NaCl error', msg);
-};