Include expected outputs in Polymer UI

appengine/swarming/ui/res/imp/taskpage/task-page.html

Index: appengine/swarming/ui/res/imp/taskpage/task-page.html
diff --git a/appengine/swarming/ui/res/imp/taskpage/task-page.html b/appengine/swarming/ui/res/imp/taskpage/task-page.html
index a4ba9dc9826efcb0af63ffb5c9d5825e3916e85e..7ddc306d86b1284384f43502f5d1828822e442eb 100644
--- a/appengine/swarming/ui/res/imp/taskpage/task-page.html
+++ b/appengine/swarming/ui/res/imp/taskpage/task-page.html
@@ -252,6 +252,16 @@
                   </a>
                 </td>
               </tr>
+              <template is="dom-if" if="[[_request.properties.outputs.length]]">
+                <tr>
+                  <td rowspan$="[[_rowspan(_request.properties.outputs)]]">Expected outputs</td>
+                </tr>
+                <template is="dom-repeat" items="{{_request.properties.outputs}}" as="output">
+                  <tr>
+                    <td>[[output]]</td>
+                  </tr>
+                </template>
+              </template>
               <template is="dom-if" if="[[_not(_request_detail)]]">
                 <tr>
                   <td>More Details</td>
@@ -713,7 +723,7 @@
       },
 
       _empty: function(array) {
-        return array.length == 0;
+        return !array || array.length == 0;
       },
 
       _supportsMilo: function(request, showRaw) {
@@ -761,4 +771,4 @@
     });
   })();
   </script>
-</dom-module>
+</dom-module>