Incoming references service request and UI.

runtime/bin/vmservice/observatory/lib/src/elements/instance_view.html

Index: runtime/bin/vmservice/observatory/lib/src/elements/instance_view.html
diff --git a/runtime/bin/vmservice/observatory/lib/src/elements/instance_view.html b/runtime/bin/vmservice/observatory/lib/src/elements/instance_view.html
index c85d64f829e9e7f958e706ca176fb6c74354bdeb..46709dbd031ce7e2edae76f23248cc314b412ae0 100644
--- a/runtime/bin/vmservice/observatory/lib/src/elements/instance_view.html
+++ b/runtime/bin/vmservice/observatory/lib/src/elements/instance_view.html
@@ -5,6 +5,7 @@
 <link rel="import" href="eval_link.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="nav_bar.html">
@@ -101,6 +102,22 @@
               </template>
             </div>
           </div>
+          <div class="memberItem">
+            <div class="memberName">inbound references</div>
+            <div class="memberValue">
+              <template if="{{ inboundReferences == null }}">
+                <eval-link callback="{{ fetchInboundReferences }}"
+                           label="[find]"
+                           expr="100">
+                </eval-link>
+              </template>
+              <template if="{{ inboundReferences != null }}">
+                <template repeat="{{ reference in inboundReferences['references'] }}">
+                  <inbound-reference ref="{{ reference }}"></inbound-reference>
+                </template>
+              </template>
+            </div>
+          </div>
           <template if="{{ instance['type_class'] != null }}">
             <div class="memberItem">
               <div class="memberName">type class</div>