Add cr-network-select element for selecting a Chrome OS network

chrome/browser/resources/settings/internet_page/network_list.css

Index: chrome/browser/resources/settings/internet_page/network_list.css
diff --git a/chrome/browser/resources/settings/internet_page/network_list.css b/chrome/browser/resources/settings/internet_page/network_list.css
deleted file mode 100644
index b4d5de05e8f90a73b996872ab9b6efb4292a1f34..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/settings/internet_page/network_list.css
+++ /dev/null
@@ -1,15 +0,0 @@
-/* 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. */
-
-#container {
-  border: 1px solid;
-  max-height: 1000px;
-  min-height: 50px;
-  overflow-y: auto;
-}
-
-/* Note: the 'flex' attribute on core-list doesn't work as expected. */
-#networkList {
-  flex: 1;
-}