[Polymer10] Port dashboard buttons to Polymer 1.0

dashboard/dashboard/elements/primary-button.html

Index: dashboard/dashboard/elements/primary-button.html
diff --git a/dashboard/dashboard/elements/primary-button.html b/dashboard/dashboard/elements/primary-button.html
index 5755e60d9ede272a6e2e93ea63956d94f6b8108c..58581ef5dd1fe6d9b718a80c0922968bc5f5d963 100644
--- a/dashboard/dashboard/elements/primary-button.html
+++ b/dashboard/dashboard/elements/primary-button.html
@@ -7,7 +7,7 @@ found in the LICENSE file.
 
 <link rel="import" href="/components/paper-button/paper-button.html">
 
-<polymer-element name="primary-button" extends="button" noscript>
+<dom-module id="primary-button">
   <template>
     <style>
       :host {
@@ -30,9 +30,18 @@ found in the LICENSE file.
       }
     </style>
 
-    <paper-button raised disabled?="{{disabled}}">
+    <paper-button raised disabled$="{{disabled}}">
       <content></content>
     </paper-button>
 
   </template>
-</polymer-element>
+
+  <script>
+    'use strict';
+
+    Polymer({
+      is: 'primary-button',
+      extends: 'button'
+    });
+  </script>
+</dom-module>