Improve script display in the observatory.

runtime/bin/vmservice/client/lib/src/elements/function_view.html

 <link rel="import" href="../../../../packages/polymer/polymer.html">
 <link rel="import" href="class_ref.html">
 <link rel="import" href="code_ref.html">
 <link rel="import" href="function_ref.html">
 <link rel="import" href="library_ref.html">
 <link rel="import" href="observatory_element.html">
 <link rel="import" href="nav_bar.html">
 <link rel="import" href="script_inset.html">
 <link rel="import" href="script_ref.html">
 
@@ skipping 93 matching lines @@
          <template if="{{ function.name != function.vmName }}">
            <div class="memberItem">
              <div class="memberName">vm name</div>
              <div class="memberValue">{{ function.vmName }}</div>
            </div>
          </template>
        </div>
     </div>
 
     <hr>
-    <script-inset script="{{ function['script'] }}" pos="{{ function['tokenPos'] }}" endPos="{{ function['endTokenPos'] }}">
+    <script-inset script="{{ function['script'] }}"
+                  startPos="{{ function['tokenPos'] }}"
+                  endPos="{{ function['endTokenPos'] }}">
     </script-inset>
 
     <br>
   </template>
 </polymer-element>
 
 <script type="application/dart" src="function_view.dart"></script>