Add search to Print Preview advanced options and enable them in the UI.

chrome/browser/resources/print_preview/settings/advanced_options_settings.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.
 
 cr.define('print_preview', function() {
   'use strict';
 
   /**
    * Print options section to control printer advanced options.
    * @param {!print_preview.DestinationStore} destinationStore Used to determine
@@ skipping 23 matching lines @@
     __proto__: print_preview.SettingsSection.prototype,
 
     /** @override */
     isAvailable: function() {
       var destination = this.destinationStore_.selectedDestination;
       var vendorCapabilities =
           destination &&
           destination.capabilities &&
           destination.capabilities.printer &&
           destination.capabilities.printer.vendor_capability;
-      return false && !!vendorCapabilities;
+      return !!vendorCapabilities;
     },
 
     /** @override */
     hasCollapsibleContent: function() {
       return this.isAvailable();
     },
 
     /** @param {boolean} Whether the component is enabled. */
     set isEnabled(isEnabled) {
       this.getButton_().disabled = !isEnabled;
@@ skipping 34 matching lines @@
     onDestinationChanged_: function() {
       this.updateUiStateInternal();
     }
   };
 
   // Export
   return {
     AdvancedOptionsSettings: AdvancedOptionsSettings
   };
 });