ui/file_manager/file_manager/foreground/elements/files_safe_media.html

<!-- Copyright 2016 The Chromium Authors. All rights reserved.
  -- Use of this source code is governed by a BSD-style license that can be
  -- found in the LICENSE file.
-->

<dom-module id="files-safe-media">
  <template>
    <style>
      #content {
        height: 100%;
        width: 100%;
      }
      #content.audio {
        height: 32px;
      }
      webview {
        display: inline-block;
        height: 100%;
        width: 100%;
      }
    </style>
    <div id="content" class$="[[type]]"></div>
  </template>
</dom-module>

<script src="files_safe_media.js"></script>