Fix host installation on i686 Linux.

remoting/webapp/crd/js/crd_main.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';
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 /**
  * Initialize the host list.
  */
 remoting.initHostlist_ = function() {
   remoting.hostList = new remoting.HostList(
       document.getElementById('host-list'),
       document.getElementById('host-list-empty'),
       document.getElementById('host-list-error-message'),
       document.getElementById('host-list-refresh-failed-button'),
       document.getElementById('host-list-loading-indicator'));
 
   isHostModeSupported_().then(
-    /** @param {Boolean} supported */
-    function(supported){
-      if (supported) {
-        var noShare = document.getElementById('chrome-os-no-share');
-        noShare.parentNode.removeChild(noShare);
-      } else {
-        var button = document.getElementById('share-button');
-        button.disabled = true;
-      }
-    });
+      /** @param {Boolean} supported */
+      function(supported) {
+        if (supported) {
+          var noShare = document.getElementById('unsupported-platform-message');
+          noShare.parentNode.removeChild(noShare);
+        } else {
+          var button = document.getElementById('share-button');
+          button.disabled = true;
+        }
+      });
 
   /**
    * @return {Promise} A promise that resolves to the id of the current
    * containing tab/window.
    */
   var getCurrentId = function () {
     if (base.isAppsV2()) {
       return Promise.resolve(chrome.app.window.current().id);
     }
 
@@ skipping 38 matching lines @@
         return;
       }
     }
     // No valid URL parameters, start up normally.
     remoting.initHomeScreenUi();
   }
   remoting.hostList.load(onLoad);
 }
 
 /**
- * Returns whether Host mode is supported on this platform for It2me.
- * TODO(kelvinp): Remove this function once It2me is enabled on Chrome OS (See
- * crbug.com/429860).
+ * Returns whether Host mode is supported on this platform for It2Me.
  *
  * @return {Promise} Resolves to true if Host mode is supported.
  */
 function isHostModeSupported_() {
-  if (!remoting.platformIsChromeOS()) {
+  if (remoting.HostInstaller.canInstall()) {
     return Promise.resolve(true);
   }
-  // Sharing on Chrome OS is currently behind a flag.
-  // isInstalled() will return false if the flag is disabled.
-  var hostInstaller = new remoting.HostInstaller();
-  return hostInstaller.isInstalled();
+
+  return remoting.HostInstaller.isInstalled();
 }
 
 /**
  * initHomeScreenUi is called if the app is not starting up in session mode,
  * and also if the user cancels pin entry or the connection in session mode.
  */
 remoting.initHomeScreenUi = function() {
   remoting.hostController = new remoting.HostController();
   remoting.setMode(remoting.AppMode.HOME);
   remoting.hostSetupDialog =
@@ skipping 89 matching lines @@
 }
 
 
 remoting.startDesktopRemoting = function() {
   remoting.app = new remoting.Application();
   var desktop_remoting = new remoting.DesktopRemoting(remoting.app);
   remoting.app.start();
 };
 
 window.addEventListener('load', remoting.startDesktopRemotingForTesting, false);