Close button to test communication to extension.

share/index.html

@@ -132,7 +132,7 @@
 
   <div id="debug">
     <div class="entry">
-        <button onclick="location = '#!close">Close</button>
+        <button onclick="location = '#!close'">Close</button>
         <textarea id="debugOutput"></textarea>
     </div>
   </div>