Make chrome://site-engagement non-polymer and re-enable on Android.

chrome/browser/resources/engagement/engagement_table.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.
-
-'use strict';
-
-/**
- * Strips a scheme from an origin.
- * @param {string} origin
- * @return {string} The host of the given origin.
- */
-function stripScheme(origin) {
-  return new URL(origin).host;
-}
-
-Polymer({
-  is: 'engagement-table',
-  properties: {
-    /**
-     * A list of engagement info objects.
-     * @type !Array<!SiteEngagementInfo>
-     */
-    engagementInfo: {type: Array, value: function() { return []; } },
-
-    /**
-     * The table's current sort key.
-     * @type {string}
-     * @private
-     */
-    sortKey_: {type: String, value: 'score'},
-
-    /**
-     * Whether the table is in reverse sorting order.
-     * @type {boolean}
-     * @private
-     */
-    sortReverse: {type: Boolean, value: true, reflectToAttribute: true},
-  },
-
-  /**
-   * @param {Event} e
-   */
-  handleSortColumnTap: function(e) {
-    this.sortTable_(e.currentTarget);
-    e.preventDefault();
-  },
-
-  /**
-   * Sorts the engagement table based on the provided sort column header. Sort
-   * columns have a 'sort-key' attribute that is a property name of a
-   * SiteEngagementInfo.
-   * @param {HTMLElement} th The column to sort by.
-   * @private
-   */
-  sortTable_: function(th) {
-    // Remove the old sort indicator column.
-    var sortColumn = this.$$('.sort-column');
-    if (sortColumn)
-      sortColumn.className = '';
-
-    // Updating these properties recomputes the template sort function.
-    var newSortKey = th.getAttribute('sort-key');
-    if (this.sortKey_)
-      this.sortReverse = (newSortKey == this.sortKey_) && !this.sortReverse;
-
-    this.sortKey_ = newSortKey;
-
-    // Specify the new sort indicator column.
-    th.className = 'sort-column';
-  },
-
-  /**
-   * Returns a sorting function for SiteEngagementInfo objects that sorts based
-   * on sortKey.
-   * @param {string} sortKey The name of the property to sort by.
-   * @param {boolean} reverse Whether the sort should be in reverse order.
-   * @return {function} A comparator for SiteEngagementInfos.
-   * @private
-   */
-  getTableSortFunction_: function(sortKey, reverse) {
-    return function(a, b) {
-      return (reverse ? -1 : 1) *
-             this.compareTableItem_(sortKey, a, b);
-    }.bind(this);
-  },
-
-  /**
-   * Compares two SiteEngagementInfo objects based on the sortKey.
-   * @param {string} sortKey The name of the property to sort by.
-   * @return {number} A negative number if |a| should be ordered before |b|, a
-   * positive number otherwise.
-   * @private
-   */
-  compareTableItem_: function(sortKey, a, b) {
-    var val1 = a[sortKey];
-    var val2 = b[sortKey];
-
-    if (sortKey == 'origin')
-      return stripScheme(val1) > stripScheme(val2) ? 1 : -1;
-
-    if (sortKey == 'score')
-      return val1 - val2;
-
-    assertNotReached('Unsupported sort key: ' + sortKey);
-    return 0;
-  },
-
-  /**
-   * Handles a score input change by firing an event that contains the origin
-   * changed and its new score.
-   * @param {Event} e The change event for the score input.
-   */
-  scoreChanged: function(e) {
-    if (e.target.value == '')
-      return;
-
-    e.model.set('info.score', Number(e.target.value));
-    this.fire('score-edited', {
-      origin: e.model.get('info.origin'),
-      score: Number(e.target.value)
-    });
-  }
-});