Add stub pages and oauth-blessed request to /newui

appengine/swarming/elements/imp/index/swarming-index.html

+<!--
+  Copyright 2016 The LUCI Authors. All rights reserved.
+  Use of this source code is governed under the Apache License, Version 2.0
+  that can be found in the LICENSE file.
+
+  This in an HTML Import-able file that contains the definition
+  of the following elements:
+
+    <swarming-index>
+
+  Usage:
+
+    <swarming-index></swarming-index>
+
+  Properties:
+    None.
+
+  Methods:
+    None.
+
+  Events:
+    None.
+-->
+
+<link rel="import" href="../../bower_components/polymer/polymer.html">
+<link rel="import" href="../../bower_components/iron-ajax/iron-ajax.html">
+
+<link rel="import" href="../common/auth-signin.html">
+
+<dom-module id="swarming-index">
+  <template>
+    <style>
+      :host {
+        display: block;
+      }
+    </style>
+
+    <h1>HELLO WORLD<h1>
+
+    <!-- TODO(kjlubick) Remove this hard-coded client-id.-->
+    <auth-signin
+      auth-headers="{{auth}}"
+      client-id="20770472288-t5smpbpjptka4nd888fv0ctd23ftba2o.apps.googleusercontent.com"
+      on-auth-signin="signIn">
+    </auth-signin>
+
+    <iron-ajax id="request"
+      url="/_ah/api/swarming/v1/server/details"
+      headers="[[auth]]"
+      handle-as="json"
+      on-response="handleResponse">
+    </iron-ajax>
+
+  </template>
+  <script>
+    Polymer({
+      is: 'swarming-index',
+
+      signIn: function(){
+        this.$.request.generateRequest();
+      },
+
+      handleResponse: function(a,b){
+        console.log(this.$.request.lastResponse);
+      }
+    });
+  </script>
+</dom-module>