Wrapping leaf nodes in non polymer elements

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

Index: runtime/observatory/lib/src/elements/curly_block.html
diff --git a/runtime/observatory/lib/src/elements/curly_block.html b/runtime/observatory/lib/src/elements/curly_block.html
deleted file mode 100644
index d1702a26abfa85e0642c3acbb2b728786af3b029..0000000000000000000000000000000000000000
--- a/runtime/observatory/lib/src/elements/curly_block.html
+++ /dev/null
@@ -1,44 +0,0 @@
-<link rel="import" href="../../../../packages/polymer/polymer.html">
-<link rel="import" href="observatory_element.html">
-
-<polymer-element name="curly-block" extends="observatory-element">
-  <template>
-    <style>
-      .idle {
-        display: inline-block;
-        color: #0489c3;
-        cursor: pointer;
-      }
-      .busy {
-        display: inline-block;
-        color: white;
-        cursor: wait;
-      }
-    </style>
-    <template if="{{ expanded }}">
-      <template if="{{ busy }}">
-        {<div class="busy">&nbsp;&nbsp;&#8863;&nbsp;&nbsp;</div>
-        <br>
-        <content></content>
-        }
-      </template>
-      <template if="{{ !busy }}">
-        {<a on-click="{{ toggleExpand }}"><div class="idle">&nbsp;&nbsp;&#8863;&nbsp;&nbsp;</div></a>
-        <br>
-        <content></content>
-        }
-      </template>
-    </template>
-
-    <template if="{{ !expanded }}">
-      <template if="{{ busy }}">
-        {<div class="busy">&nbsp;&nbsp;&#8862;&nbsp;&nbsp;</div>}
-      </template>
-      <template if="{{ !busy }}">
-        {<a on-click="{{ toggleExpand }}"><div class="idle">&nbsp;&nbsp;&#8862;&nbsp;&nbsp;</div></a>}
-      </template>
-    </template>
-  </template>
-</polymer-element>
-
-<script type="application/dart" src="curly_block.dart"></script>