Revert "Build Observatory with runtime"

runtime/bin/vmservice/observatory/deployed/web/packages/observatory/src/elements/stack_trace.html

Index: runtime/bin/vmservice/observatory/deployed/web/packages/observatory/src/elements/stack_trace.html
diff --git a/runtime/bin/vmservice/observatory/deployed/web/packages/observatory/src/elements/stack_trace.html b/runtime/bin/vmservice/observatory/deployed/web/packages/observatory/src/elements/stack_trace.html
new file mode 100644
index 0000000000000000000000000000000000000000..f08b03274c5d0855dff5b4718e07d76ea14ac498
--- /dev/null
+++ b/runtime/bin/vmservice/observatory/deployed/web/packages/observatory/src/elements/stack_trace.html
@@ -0,0 +1,33 @@
+<link rel="import" href="../../../../packages/polymer/polymer.html">
+<link rel="import" href="nav_bar.html">
+<link rel="import" href="observatory_element.html">
+<link rel="import" href="stack_frame.html">
+
+<polymer-element name="stack-trace" extends="observatory-element">
+  <template>
+    <link rel="stylesheet" href="css/shared.css">
+    <nav-bar>
+      <top-nav-menu></top-nav-menu>
+      <isolate-nav-menu isolate="{{ trace.isolate }}"></isolate-nav-menu>
+      <nav-menu link="{{ trace.isolate.relativeLink('stacktrace') }}" anchor="stack trace" last="{{ true }}"></nav-menu>
+      <nav-refresh callback="{{ refresh }}"></nav-refresh>
+      <nav-control></nav-control>
+    </nav-bar>
+    <template if="{{ trace['members'].isEmpty }}">
+      <div class="content">
+        <em>No stack</em>
+      </div>
+    </template>
+    <template if="{{ trace['members'].isNotEmpty }}">
+      <ul class="list-group">
+        <template repeat="{{ frame in trace['members'] }}">
+          <li class="list-group-item">
+            <stack-frame frame="{{ frame }}"></stack-frame>
+          </li>
+        </template>
+      </ul>
+    </template>
+  </template>
+</polymer-element>
+
+<script type="application/dart" src="stack_trace.dart"></script>