Add polymer 1.0 to npm_modules

polymer_1.0.4/bower_components/iron-a11y-announcer/demo/x-announces.html

+<!--
+Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE
+The complete set of authors may be found at http://polymer.github.io/AUTHORS
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS
+-->
+
+<link rel="import" href="../../polymer/polymer.html">
+<link rel="import" href="../../paper-button/paper-button.html">
+<link rel="import" href="../iron-a11y-announcer.html">
+
+<dom-module id="x-announces">
+  <style>
+    :host {
+      display: block;
+      position: relative;
+      padding: 1em 0;
+    }
+
+    paper-button {
+      background: #4285f4;
+      color: #fff;
+    }
+  </style>
+  <template>
+    <paper-button on-tap="_onTapAnnounce" raised>Announce</paper-button>
+    <span id="content" aria-hidden="true">
+      <content></content>
+    </span>
+  </template>
+  <script>
+    Polymer({
+      is: 'x-announces',
+
+      attached: function() {
+        Polymer.IronA11yAnnouncer.requestAvailability();
+      },
+
+      _onTapAnnounce: function() {
+        this.fire('iron-announce', {
+          text: this.$.content.textContent.trim()
+        }, {
+          bubbles: true
+        });
+      }
+    });
+  </script>
+</dom-module>