Quick View: Add functinoality to show generic metadata (size and modificationTime).

ui/file_manager/file_manager/foreground/elements/icons.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.
   -->
 
 <link rel="import" href="chrome://resources/polymer/v1_0/polymer/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-iconset-svg/iron-iconset-svg.html">
 
 <iron-iconset-svg name="files" size="24">
   <svg>
     <defs>
       <!--
       These icons are copied from Polymer's iron-icons and kept in sorted order.
       See http://goo.gl/Y1OdAq for instructions on adding additional icons.
       -->
       <g id="arrow-drop-down"><path d="M7 10l5 5 5-5z"/></g>
       <g id="autorenew"><path d="M12 6v3l4-4-4-4v3c-4.42 0-8 3.58-8 8 0 1.57.46 3.03 1.24 4.26L6.7 14.8c-.45-.83-.7-1.79-.7-2.8 0-3.31 2.69-6 6-6zm6.76 1.74L17.3 9.2c.44.84.7 1.79.7 2.8 0 3.31-2.69 6-6 6v-3l-4 4 4 4v-3c4.42 0 8-3.58 8-8 0-1.57-.46-3.03-1.24-4.26z"/></g>
+      <g id="close"><path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/></g>
       <g id="cloud-done"><path d="M19.35 10.04C18.67 6.59 15.64 4 12 4 9.11 4 6.6 5.64 5.35 8.04 2.34 8.36 0 10.91 0 14c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96zM10 17l-3.5-3.5 1.41-1.41L10 14.17 15.18 9l1.41 1.41L10 17z"/></g>
       <g id="cloud-off"><path d="M19.35 10.04C18.67 6.59 15.64 4 12 4c-1.48 0-2.85.43-4.01 1.17l1.46 1.46C10.21 6.23 11.08 6 12 6c3.04 0 5.5 2.46 5.5 5.5v.5H19c1.66 0 3 1.34 3 3 0 1.13-.64 2.11-1.56 2.62l1.45 1.45C23.16 18.16 24 16.68 24 15c0-2.64-2.05-4.78-4.65-4.96zM3 5.27l2.75 2.74C2.56 8.15 0 10.77 0 14c0 3.31 2.69 6 6 6h11.73l2 2L21 20.73 4.27 4 3 5.27zM7.73 10l8 8H6c-2.21 0-4-1.79-4-4s1.79-4 4-4h1.73z"/></g>
       <g id="cloud-queue"><path d="M19.35 10.04C18.67 6.59 15.64 4 12 4 9.11 4 6.6 5.64 5.35 8.04 2.34 8.36 0 10.91 0 14c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96zM19 18H6c-2.21 0-4-1.79-4-4s1.79-4 4-4h.71C7.37 7.69 9.48 6 12 6c3.04 0 5.5 2.46 5.5 5.5v.5H19c1.66 0 3 1.34 3 3s-1.34 3-3 3z"/></g>
       <g id="cloud-upload"><path d="M19.35 10.04C18.67 6.59 15.64 4 12 4 9.11 4 6.6 5.64 5.35 8.04 2.34 8.36 0 10.91 0 14c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96zM14 13v4h-4v-4H7l5-5 5 5h-3z"/></g>
+      <g id="info-outline"><path d="M11 17h2v-6h-2v6zm1-15C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8s3.59-8 8-8 8 3.59 8 8-3.59 8-8 8zM11 9h2V7h-2v2z"/></g>
+      <g id="open-in-new"><path d="M19 19H5V5h7V3H5c-1.11 0-2 .9-2 2v14c0 1.1.89 2 2 2h14c1.1 0 2-.9 2-2v-7h-2v7zM14 3v2h3.59l-9.83 9.83 1.41 1.41L19 6.41V10h2V3h-7z"/></g>
       <g id="photo"><path d="M21 19V5c0-1.1-.9-2-2-2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2zM8.5 13.5l2.5 3.01L14.5 12l4.5 6H5l3.5-4.5z"/></g>
     </defs>
   </svg>
 </iron-iconset-svg>