swarming: display named caches in task UI

appengine/swarming/templates/user_task.html

 {% extends "swarming/base.html" %}
 
 
 {% block headers %}
 <style>
   h1 {
     margin-top: 10px;
     margin-bottom: 10px;
   }
 
@@ skipping 248 matching lines @@
                 {% for path, packages in cipd.packages %}
                   <div>{{path or '.'}}/</div>
                   <div class="package-list">
                     {{packages|join('<br>'|safe)}}
                   </div>
                 {% endfor %}
               </td>
             </tr>
           {% endif %}
         {% endif %}
+
+        {% if request.properties.caches %}
+        <tr title="Named caches">
+          <td>Named caches</td>
+          <td>
+            {% for cache in request.properties.caches %}
+              <div>
+                <span>{{cache.name}}</span>:<span>{{cache.path}}</span>
+              </div>
+            {% endfor %}
+          </td>
+        </tr>
+        {% endif %}
+
         {% if request.properties.inputs_ref and request.properties.inputs_ref.isolated %}
           <tr title="Inputs files">
             <td>Isolated inputs</td>
             <td>
               <a
                 href="{{request.properties.inputs_ref.isolatedserver}}/browse?namespace={{request.properties.inputs_ref.namespace}}&hash={{request.properties.inputs_ref.isolated}}">
                 {{request.properties.inputs_ref.isolated}}
               </a>
             </td>
           </tr>
@@ skipping 301 matching lines @@
 
 {% set output = task.get_output() %}
 {% if output is not none %}
 <h3>Output:</h3>
 <pre>
 {{task.get_output().decode('utf-8', 'replace')}}{% if is_running %}<p class="console"><span class="blink">|</span>{% endif %}
 </pre>
 {% endif %}
 
 {% endblock %}