Show destination offline status in the print preview.

chrome/browser/resources/print_preview/cloud_print_interface.js

 // Copyright (c) 2012 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.
 
 cr.define('cloudprint', function() {
   'use strict';
 
   /**
    * API to the Google Cloud Print service.
    * @param {string} baseUrl Base part of the Google Cloud Print service URL
@@ skipping 196 matching lines @@
     },
 
     /**
      * Sends a Google Cloud Print printer API request.
      * @param {string} printerId ID of the printer to lookup.
      * @param {!print_preview.Destination.Origin} origin Origin of the printer.
      */
     printer: function(printerId, origin) {
       var params = [
         new HttpParam('printerid', printerId),
-        new HttpParam('use_cdd', 'true')
+        new HttpParam('use_cdd', 'true'),
+        new HttpParam('printer_connection_status', 'true')
       ];
       var cpRequest =
           this.buildRequest_('GET', 'printer', params, origin,
                              this.onPrinterDone_.bind(this, printerId));
       this.sendOrQueueRequest_(cpRequest);
     },
 
     /**
      * Sends a Google Cloud Print update API request to accept (or reject) the
      * terms-of-service of the given printer.
@@ skipping 334 matching lines @@
      * @type {string}
      */
     this.value = value;
   };
 
   // Export
   return {
     CloudPrintInterface: CloudPrintInterface
   };
 });