MD Downloads: use custom iconset

chrome/browser/resources/md_downloads/item.js

 // Copyright 2015 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.
 
 cr.define('downloads', function() {
   var InkyTextButton = Polymer({
     is: 'inky-text-button',
 
     behaviors: [
       Polymer.PaperInkyFocusBehavior
@@ skipping 111 matching lines @@
     computeDangerIcon_: function() {
       if (!this.isDangerous_)
         return '';
 
       switch (this.data.danger_type) {
         case downloads.DangerType.DANGEROUS_CONTENT:
         case downloads.DangerType.DANGEROUS_HOST:
         case downloads.DangerType.DANGEROUS_URL:
         case downloads.DangerType.POTENTIALLY_UNWANTED:
         case downloads.DangerType.UNCOMMON_CONTENT:
-          return 'remove-circle';
+          return 'downloads:remove-circle';
         default:
-          return 'warning';
+          return 'downloads:warning';
       }
     },
 
     /** @private */
     computeDate_: function() {
       assert(typeof this.data.hideDate == 'boolean');
       if (this.data.hideDate)
         return '';
       return assert(this.data.since_string || this.data.date_string);
     },
@@ skipping 165 matching lines @@
     onShowTap_: function() {
       downloads.ActionService.getInstance().show(this.data.id);
     },
   });
 
   return {
     InkyTextButton: InkyTextButton,
     Item: Item,
   };
 });