Make change number a hyperlink Tasks created from names-factory type change are shown as hyperlink to the respective change. Change-Id: I12d7cf6755900528fcca7b2f20dbd2dfba197e0a

diff --git a/gr-task-plugin/gr-task-plugin-tasks.js b/gr-task-plugin/gr-task-plugin-tasks.js
index 54585d1..0f89fb6 100644
--- a/gr-task-plugin/gr-task-plugin-tasks.js
+++ b/gr-task-plugin/gr-task-plugin-tasks.js

@@ -44,6 +44,10 @@
   _can_show(show, task) {
     return show === 'true' || task.showOnFilter;
   }
+
+  _getChangeUrl(change) {
+    return Gerrit.url(change.toString());
+  }
 }
 
 customElements.define(GrTaskPluginTasks.is, GrTaskPluginTasks);

diff --git a/gr-task-plugin/gr-task-plugin-tasks_html.js b/gr-task-plugin/gr-task-plugin-tasks_html.js
index df1644f..9122a9d 100644
--- a/gr-task-plugin/gr-task-plugin-tasks_html.js
+++ b/gr-task-plugin/gr-task-plugin-tasks_html.js

@@ -47,7 +47,15 @@
             </iron-icon>
         </gr-tooltip-content>
       </template>
-      [[task.message]]
+      <template is="dom-if" if="[[task.change]]">
+        <a class="links" href$="[[_getChangeUrl(task.change)]]">[[task.change]]</a>
+      </template>
+      <template is="dom-if" if="[[!task.change]]">
+        <template is="dom-if" if="[[!task.hint]]">
+          [[task.name]]
+        </template>
+      </template>
+      <template is="dom-if" if="[[task.hint]]">[[task.hint]]</template>
     </li>
   </template>
   <ul style="list-style-type:none; margin: 0 0 0 0; padding: 0 0 0 2em;">

diff --git a/gr-task-plugin/gr-task-plugin.js b/gr-task-plugin/gr-task-plugin.js
index 7e1add6..e5a3078 100644
--- a/gr-task-plugin/gr-task-plugin.js
+++ b/gr-task-plugin/gr-task-plugin.js

@@ -22,10 +22,10 @@
 const Defs = {};
 /**
  * @typedef {{
- *  message: string,
  *  sub_tasks: Array<Defs.Task>,
  *  hint: ?string,
  *  name: string,
+ *  change: ?number,
  *  status: string
  * }}
  */
@@ -186,7 +186,6 @@
   _addTasks(tasks) { // rename to process, remove DOM bits
     if (!tasks) return [];
     tasks.forEach(task => {
-      task.message = task.hint || task.name;
       task.icon = this._computeIcon(task);
       task.showOnFilter = this._computeShowOnNeedsAndBlockedFilter(task);
       this._compute_counts(task);