Continue improving the documentation for the vm service protocol.

runtime/observatory/lib/src/elements/function_ref.dart

Index: runtime/observatory/lib/src/elements/function_ref.dart
diff --git a/runtime/observatory/lib/src/elements/function_ref.dart b/runtime/observatory/lib/src/elements/function_ref.dart
index 2e92f60919199414b2ea60b63ccf034c4fc71add..53920b97452473811cacd20af6b64571053ad83e 100644
--- a/runtime/observatory/lib/src/elements/function_ref.dart
+++ b/runtime/observatory/lib/src/elements/function_ref.dart
@@ -28,18 +28,17 @@ class FunctionRefElement extends ServiceRefElement {
     }
     if (function.isDart) {
       if (qualified) {
-        // Add class-name or parent-function-name followed by a dot.
-        if ((function.parent == null) && (function.owningClass != null)) {
-          var classRef = new Element.tag('class-ref');
-          classRef.ref = function.owningClass;
-          shadowRoot.children.add(classRef);
-          insertTextSpanIntoShadowRoot('.');
-        } else if (function.parent != null) {
+        if (function.dartOwner is ServiceFunction) {
           var functionRef = new Element.tag('function-ref');
-          functionRef.ref = function.parent;
+          functionRef.ref = function.dartOwner;
           functionRef.qualified = true;
           shadowRoot.children.add(functionRef);
           insertTextSpanIntoShadowRoot('.');
+        } else if (function.dartOwner is Class) {
+          var classRef = new Element.tag('class-ref');
+          classRef.ref = function.dartOwner;
+          shadowRoot.children.add(classRef);
+          insertTextSpanIntoShadowRoot('.');
         }
       }
       insertLinkIntoShadowRoot(name, url, hoverText);