NOT FOR REVIEW. SAMPLE CODE ONLY.

chrome/browser/resources/settings/printing_page/cups_add_printer_dialog.js

 // Copyright 2016 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.
 
 /**
  * @fileoverview 'settings-cups-add-printer-dialog' includes multiple dialogs to
  * set up a new CUPS printer.
  * Subdialogs include:
  * - 'add-printer-discovery-dialog' is a dialog showing discovered printers on
  *   the network that are available for setup.
@@ skipping 90 matching lines @@
   },
 
   /** @private */
   switchToManufacturerDialog_: function() {
     this.$$('add-printer-dialog').close();
     this.fire('open-manufacturer-model-dialog');
   },
 
   /** @private */
   onAddressChanged_: function() {
-    this.$.searchInProgress.hidden = false;
-    this.$.searchFound.hidden = true;
-    this.$.searchNotFound.hidden = true;
-
-    var value = this.$.printerAddressInput.value;
-    if (this.isValidIpAddress_(value)) {
-      // TODO(xdai): Check if the printer address exists after the API is ready.
-      this.$.searchInProgress.hidden = true;
-      this.$.searchFound.hidden = false;
-      this.$.searchNotFound.hidden = true;
-    } else {
-      this.$.searchInProgress.hidden = true;
-      this.$.searchFound.hidden = true;
-      this.$.searchNotFound.hidden = false;
-    }
   },
 
   /**
-   * @param {string} ip
-   * @return {boolean}
-   * @private
-   */
-  isValidIpAddress_: function(ip) {
-    var addressRegex = RegExp('^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.' +
-                              '([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.' +
-                              '([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.' +
-                              '([01]?\\d\\d?|2[0-4]\\d|25[0-5])$');
-    return addressRegex.test(ip);
-  },
-
-  /**
    * @param {string} printerName
    * @param {string} printerAddress
    * @return {boolean}
    * @private
    */
   addPrinterNotAllowed_: function(printerName, printerAddress) {
-    return !printerName || !printerAddress ||
-           !this.isValidIpAddress_(printerAddress);
+    return !printerName || !printerAddress;
   },
 });
 
 Polymer({
   is: 'add-printer-manufacturer-model-dialog',
 
   properties: {
     /** @type {!CupsPrinterInfo} */
     newPrinter: {
       type: Object,
@@ skipping 119 matching lines @@
   /** @private */
   openDiscoveryPrintersDialog_: function() {
     this.switchDialog_(this.currentDialog_, AddPrinterDialogs.DISCOVERY,
                        'showDiscoveryDialog_');
   },
 
   /** @private */
   openConfiguringPrinterDialog_: function() {
     this.switchDialog_(this.currentDialog_, AddPrinterDialogs.CONFIGURING,
                        'showConfiguringDialog_');
+    settings.CupsPrintersBrowserProxyImpl.getInstance().
+        addCupsPrinter(this.newPrinter);
   },
 
   /** @private */
   openManufacturerModelDialog_: function() {
     this.switchDialog_(this.currentDialog_, AddPrinterDialogs.MANUFACTURER,
                        'showManufacturerDialog_');
   },
 
   /** @private */
   configuringDialogClosed_: function() {
@@ skipping 37 matching lines @@
   getConfiguringPrinterName_: function() {
     if (this.previousDialog_ == AddPrinterDialogs.DISCOVERY)
       return this.selectedPrinter.printerName;
     if (this.previousDialog_ == AddPrinterDialogs.MANUALLY ||
         this.previousDialog_ == AddPrinterDialogs.MANUFACTURER) {
       return this.newPrinter.printerName;
     }
     return '';
   },
 });