Add view for MegamorphicCache. Update view for ObjectPool.

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 10 matching lines @@
       <nav-refresh callback="{{ refresh }}"></nav-refresh>
     </nav-bar>
 
     <div class="content">
       <object-common object="{{ pool }}"></object-common>
 
       <br><br>
 
       entries ({{ pool.entries.length }})
       <div class="memberList">
-        <template repeat="{{ index in pool.entries.asMap().keys }}">
+        <template repeat="{{ entry in pool.entries }}">
           <div class="memberItem">
-            <div class="memberName">[{{ index }}]</div>
+            <div class="memberName">[PP+0x{{ entry['offset'].toRadixString(16) }}]</div>
             <div class="memberValue">
-              <template if="{{ isServiceObject(pool.entries[index]) }}">
-                <any-service-ref ref="{{ pool.entries[index] }}">
+              <template if="{{ entry['kind'] == 'Object' }}">
+                <any-service-ref ref="{{ entry['value'] }}">
                 </any-service-ref>
               </template>
-              <template if="{{ !isServiceObject(pool.entries[index]) }}">
-                {{ pool.entries[index] }}
-                <template if="{{ annotatedEntries != null && annotatedEntries[index] != null }}">
-                  (<any-service-ref ref="{{ annotatedEntries[index] }}"></any-service-ref>)
-                </template>
+              <template if="{{ entry['kind'] == 'Immediate' }}">
+                Immediate 0x{{ entry['value'].toRadixString(16) }}
+             </template>
+              <template if="{{ entry['kind'] == 'NativeEntry' }}">
+                NativeEntry 0x{{ entry['value'].toRadixString(16) }}
              </template>
             </div>
           </div>
         </template>
       </div>
 
     </div>
   
     <hr>
     <view-footer></view-footer>
   </template>
 </polymer-element>
 
 <script type="application/dart" src="objectpool_view.dart"></script>