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 39 matching lines @@
       }
     }
     // 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

[kelvinp, 2015/01/23 21:15:33]

Can you help me to move the TODO statement to line 100 to keep it relevant.

[Sergey Ulanov, 2015/01/23 21:26:19]

I don't think we need this TODO at all. This logic is good as is even after
It2Me support is rolled out on ChromeOS. We just check that the host is already
installed or can be installed. Just removed the TODO.

  * crbug.com/429860).
  *
  * @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();
 }
 
 /**
  * initHomeScreenUi is called if the app is not starting up in session mode,
@@ skipping 95 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);