runtime/observatory/web/timeline.html

<!DOCTYPE html>
<html style="height: 100%; width: 100%">
<head>
  <meta charset="utf-8">
  <title>Dart VM Observatory Timeline</title>
  <script src="timeline_message_handler.js"></script>
  <link rel="import" href="third_party/trace_viewer_full.html">
  <script src="timeline.js"></script>
  <style>
html, body {
  box-sizing: border-box;
  overflow: hidden;
  margin: 0px;
  padding: 0;
  width: 100%;
  height: 100%;
}
#trace-viewer {
  width: 100%;
  height: 100%;
}
#trace-viewer:focus {
  outline: none;
}
  </style>
</head>
<body>
</body>
</html>