Add a details link to ct-tree-status.

Tools/GardeningServer/ui/ct-tree-status.html

 <!--
 Copyright 2014 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.
 -->
 
 <polymer-element name="ct-tree-status">
   <template>
     <template if="{{ message }}">
       <style>
         :host {
-          display: block;
+          display: flex;
           whitespace: nowrap;
           overflow: hidden;
           text-overflow: ellispis;
         }
 
         :host([status=throttled]) {
           background-color: khaki;
         }
 
-        :host([status=closed]) {
+        :host([status=closed]),
+        :host([status=closed]) a {
           color: white;
           background-color: tomato;
         }
       </style>
-      {{ project }}: {{ message }}
+      <div style="flex: 1">{{ project }}: {{ message }}</div>
+      <div style="padding: 0 5px;">[ <a href="{{ project | _url }}">details</a> ]</div>
     </template>
   </template>
   <script>
     Polymer({
       publish: {
         project: '',
         message: '',
         status: {
           value: 'open',
           reflect: true,
         },
       },
 
+      _url: function(project) {
+        return treestatus.urlByName(this.project);
+      },
+
       update: function() {
-        var url = treestatus.urlByName(this.project);
+        var url = this._url(this.project) + 'current?format=json';
         return net.json(url).then(function(response) {
           this.updateStatus(response);
         }.bind(this));
       },
 
       updateStatus: function(status) {
         if (status.can_commit_freely) {
           this.message = null;
           this.status = 'open';
           return;
         }
 
         this.message = status.message + ' by ' + status.username;
         var responseLowerCase = status.message.toLowerCase();
         if (responseLowerCase.indexOf('throttled') != -1) {
           this.status = 'throttled';
         } else if (responseLowerCase.indexOf("closed") != -1) {
           this.status = 'closed';
         } else {
           this.status = 'unknown';
         }
       },
     });
   </script>
 </polymer-element>