Settings/Oobe: Simplify cr-network-select and use flex

chrome/browser/resources/settings/internet_page/internet_known_networks_page.js

 // Copyright 2015 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-internet-known-networks' is the settings subpage listing the
  * known networks for a type (currently always WiFi).
  */
 Polymer({
   is: 'settings-internet-known-networks-page',
 
   properties: {
     /**
      * The type of networks to list.
      * @type {chrome.networkingPrivate.NetworkType}
      */
     networkType: {
       type: String,
       observer: 'networkTypeChanged_',
     },
 
     /**
-     * The maximum height in pixels for the list of networks.
-     */
-    maxHeight: {
-      type: Number,
-      value: 500,
-    },
-
-    /**
      * Interface for networkingPrivate calls, passed from internet_page.
      * @type {NetworkingPrivate}
      */
     networkingPrivate: Object,
 
     /**
      * List of all network state data for the network type.
      * @private {!Array<!CrOnc.NetworkStateProperties>}
      */
     networkStateList_: {
@@ skipping 106 matching lines @@
 
   /**
    * @param {!{model: !{item: !CrOnc.NetworkStateProperties}}} e
    * @private
    */
   onAddTap_: function(e) {
     var state = e.model.item;
     this.networkingPrivate.setProperties(state.GUID, {Priority: 1});
   },
 });