chrome/browser/resources/md_bookmarks/app.html

<link rel="import" href="chrome://resources/html/polymer.html">
<link rel="import" href="chrome://bookmarks/list.html">
<link rel="import" href="chrome://bookmarks/shared_vars.html">
<link rel="import" href="chrome://bookmarks/sidebar.html">
<link rel="import" href="chrome://bookmarks/store.html">
<link rel="import" href="chrome://bookmarks/toolbar.html">

<dom-module id="bookmarks-app">
  <template>
    <style>
      :host {
        display: flex;
        flex-direction: column;
        height: 100%;
        overflow: hidden;
      }

      #main-container {
        display: flex;
        flex-direction: row;
        flex-grow: 1;
        overflow: auto;
      }

      bookmarks-sidebar {
        flex: 0 0 var(--sidebar-width);
      }

      bookmarks-list {
        flex: 1;
      }
    </style>
    <bookmarks-toolbar search-term="[[searchTerm]]"></bookmarks-toolbar>
    <div id="main-container">
      <bookmarks-sidebar root-folders="[[rootNode.children]]">
      </bookmarks-sidebar>
      <bookmarks-list displayed-list="[[displayedList]]"
          search-term="[[searchTerm]]"></bookmarks-list>
    </div>
    <bookmarks-store selected-id="{{selectedId}}"
        root-node="{{rootNode}}"
        search-term="{{searchTerm}}"
        displayed-list="{{displayedList}}">
    </bookmarks-store>
  </template>
  <script src="chrome://bookmarks/app.js"></script>
</dom-module>