Timeline service protocol support with Observatory UI

runtime/observatory/lib/src/elements/vm_view.html

 <link rel="import" href="../../../../packages/polymer/polymer.html">
 <link rel="import" href="curly_block.html">
 <link rel="import" href="eval_box.html">
 <link rel="import" href="function_ref.html">
 <link rel="import" href="isolate_summary.html">
 <link rel="import" href="library_ref.html">
 <link rel="import" href="nav_bar.html">
 <link rel="import" href="observatory_element.html">
 <link rel="import" href="script_ref.html">
 <link rel="import" href="view_footer.html">
@@ skipping 38 matching lines @@
         </div>
         <div class="memberItem">
           <div class="memberName">pid</div>
           <div class="memberValue">{{ vm.pid }}</div>
         </div>
         <br>
         <div class="memberItem">
           <div class="memberValue">
             See <a on-click="{{ goto }}" _href="{{ gotoLink('/flags') }}">flags</a>
           </div>
+          <div class="memberValue">
+            View <a on-click="{{ goto }}" _href="{{ gotoLink('/timeline') }}">timeline</a>
+          </div>
         </div>
       </div>
       <br>
       <br>
       <h1>Isolates ({{ vm.isolates.length }})</h1>
       <hr>
       <ul class="list-group">
         <template repeat="{{ isolate in vm.isolates }}">
           <li class="list-group-item">
             <isolate-summary isolate="{{ isolate }}"></isolate-summary>
           </li>
           <hr>
         </template>
       </ul>
     </div>
     <view-footer></view-footer>
   </template>
 </polymer-element>
 
 <script type="application/dart" src="vm_view.dart"></script>