v8/tools/heap-stats/histogram-viewer.html

<!-- Copyright 2018 the V8 project authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file. -->
<template id="histogram-viewer-template">
<style>
#chart {
  width: 100%;
  height: 800px;
}
</style>
<div id="container" style="display: none;">
  <h2>Details</h2>
  <ul>
    <li><span id="overall"></span></li>
  </ul>
  <div id="chart"></div>
</div>
</template>
<script type="text/javascript"  src="histogram-viewer.js"></script>