Bluetooth: Add support for pairing display notifications

chrome/browser/resources/options/chromeos/bluetooth_pair_device_overlay.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('options', function() {
   /** @const */ var OptionsPage = options.OptionsPage;
 
   /**
    * Enumeration of possible states during pairing.  The value associated with
    * each state maps to a localized string in the global variable
@@ skipping 256 matching lines @@
 
     /**
      * Formats an element for displaying the passkey.
      */
     updatePasskey_: function() {
       var passkeyEl = $('bluetooth-pairing-passkey-display');
       var keyClass = this.device_.pairing == PAIRING.REMOTE_PASSKEY ?
           'bluetooth-keyboard-button' : 'bluetooth-passkey-char';
       this.clearElement_(passkeyEl);
       var key = String(this.device_.passkey);
-      var progress = this.device_.entered | 0;
+      var progress = this.device_.entered;
       for (var i = 0; i < key.length; i++) {
         var keyEl = document.createElement('span');
         keyEl.textContent = key.charAt(i);
         keyEl.className = keyClass;
-        if (i < progress)
+        if (progress == undefined)
+          keyEl.classList.add('key-pin');
+        else if (i < progress)
           keyEl.classList.add('key-typed');
         passkeyEl.appendChild(keyEl);
       }
       if (this.device_.pairing == PAIRING.REMOTE_PASSKEY) {
         // Add enter key.
         var label = loadTimeData.getString('bluetoothEnterKey');
         var keyEl = document.createElement('span');
         keyEl.textContent = label;
         keyEl.className = keyClass;
         keyEl.id = 'bluetooth-enter-key';
+        if (progress == undefined)
+          keyEl.classList.add('key-pin');
+        else if (progress > key.length)
+          keyEl.classList.add('key-typed');
         passkeyEl.appendChild(keyEl);
       }
       passkeyEl.hidden = false;
     },
 
     /**
      * Formats an element for displaying the PIN code.
      */
     updatePinCode_: function() {
       var passkeyEl = $('bluetooth-pairing-passkey-display');
@@ skipping 77 matching lines @@
       dialog.device_.pairing = PAIRING.DISMISSED;
       OptionsPage.closeOverlay();
     }
   };
 
   // Export
   return {
     BluetoothPairing: BluetoothPairing
   };
 });