src/v8/tools/heap-stats/trace-file-reader.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="trace-file-reader-template">
<style>
#fileReader {
  width: 100%;
  height: 100px;
  line-height: 100px;
  text-align: center;
  border: solid 1px #000000;
  border-radius: 5px;
}

#fileReader > input {
  display: none;
}
</style>
<div id="fileReader">
  <span id="label">
    Drag and drop a trace file into this area, or click to choose from disk.
   </span>
  <input id="file" type="file" name="file" />
</div>
</template>
<script type="text/javascript" src="trace-file-reader.js"></script>