Add ObjectPool tag for external labels. Use LoadExternalLabel for native calls...

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

 <link rel="import" href="../../../../packages/polymer/polymer.html">
 <link rel="import" href="class_ref.html">
 <link rel="import" href="error_view.html">
 <link rel="import" href="field_ref.html">
 <link rel="import" href="function_ref.html">
 <link rel="import" href="inbound_reference.html">
 <link rel="import" href="instance_ref.html">
 <link rel="import" href="observatory_element.html">
 <link rel="import" href="object_common.html">
 <link rel="import" href="nav_bar.html">
@@ skipping 19 matching lines @@
       <div class="memberList">
         <template repeat="{{ index in pool.entries.asMap().keys }}">
           <div class="memberItem">
             <div class="memberName">[{{ index }}]</div>
             <div class="memberValue">
               <template if="{{ isServiceObject(pool.entries[index]) }}">
                 <any-service-ref ref="{{ pool.entries[index] }}">
                 </any-service-ref>
               </template>
               <template if="{{ !isServiceObject(pool.entries[index]) }}">
-                0x{{ pool.entries[index].toRadixString(16) }}
+                {{ pool.entries[index] }}
                 <template if="{{ annotatedEntries != null && annotatedEntries[index] != null }}">
                   (<any-service-ref ref="{{ annotatedEntries[index] }}"></any-service-ref>)
                 </template>
              </template>
             </div>
           </div>
         </template>
       </div>
 
     </div>
   
     <hr>
     <view-footer></view-footer>
   </template>
 </polymer-element>
 
 <script type="application/dart" src="objectpool_view.dart"></script>