Add Function based profile tree

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

Index: runtime/observatory/lib/src/elements/code_ref.html
diff --git a/runtime/observatory/lib/src/elements/code_ref.html b/runtime/observatory/lib/src/elements/code_ref.html
index c6e53d563209fb4ae3469243fa4566fde9ef2541..c20fdb5d1d5d87dedcf9d8c966cbcce6b9e39d8f 100644
--- a/runtime/observatory/lib/src/elements/code_ref.html
+++ b/runtime/observatory/lib/src/elements/code_ref.html
@@ -2,20 +2,7 @@
 <link rel="import" href="service_ref.html">
 
 <polymer-element name="code-ref" extends="service-ref">
-  <template>
-    <link rel="stylesheet" href="css/shared.css">
-    <template if="{{ code.isDartCode }}">
-        <template if="{{ code.isOptimized }}">
-          <a on-click="{{ goto }}" _href="{{ url }}">*{{ name }}</a>
-        </template>
-        <template if="{{ !code.isOptimized }}">
-          <a on-click="{{ goto }}" _href="{{ url }}">{{ name }}</a>
-        </template>
-    </template>
-    <template if="{{ !code.isDartCode }}">
-      <span>{{ name }}</span>
-    </template>
-  </template>
+  <template><link rel="stylesheet" href="css/shared.css"></template>
 </polymer-element>
 
 <script type="application/dart" src="code_ref.dart"></script>