Removed webui_generator and new OOBE UI placeholder.

ui/oobe/resources/oobe-element.html

Index: ui/oobe/resources/oobe-element.html
diff --git a/ui/oobe/resources/oobe-element.html b/ui/oobe/resources/oobe-element.html
deleted file mode 100644
index f6c342a3680fdbd74b83dd05c9cca8151adbce9e..0000000000000000000000000000000000000000
--- a/ui/oobe/resources/oobe-element.html
+++ /dev/null
@@ -1,25 +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. -->
-
-<link rel="import" href="chrome://resources/polymer/paper-button/paper-button.html">
-<link rel="import" href="ui/oobe/declarations/oobe-view.html">
-
-<polymer-element name="oobe-element" extends="oobe-view">
-  <template>
-    <style>
-      paper-button {
-        background-color: #00bcd4;
-        color: #fff;
-        box-shadow: 0px 3px 2px rgba(0, 0, 0, 0.2);
-        text-transform: none;
-        font-weight: bold;
-      }
-    </style>
-    <paper-button on-tap="{{fireEvent}}" event="buttonClicked">
-      Old OOBE
-    </paper-button>
-  </template>
-</polymer-element>
-
-<script src="oobe-element.js"></script>