MD History: Replace app-route with a custom router

chrome/browser/resources/md_history/list_container.js

 // 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.
 
 Polymer({
   is: 'history-list-container',
 
   properties: {
     // The path of the currently selected page.
     selectedPage_: String,
 
     // Whether domain-grouped history is enabled.
     grouped: Boolean,
 
     /** @type {HistoryRange} */
     groupedRange: {type: Number, observer: 'groupedRangeChanged_'},
 
     /** @type {!QueryState} */
     queryState: Object,
 
     /** @type {!QueryResult} */
     queryResult: Object,
   },
 
+  observers: [
+    'searchTermChanged_(queryState.searchTerm)',
+  ],
+
   listeners: {
     'history-list-scrolled': 'closeMenu_',
     'load-more-history': 'loadMoreHistory_',
     'toggle-menu': 'toggleMenu_',
   },
 
   /**
    * @param {HistoryQuery} info An object containing information about the
    *    query.
    * @param {!Array<HistoryEntry>} results A list of results.
@@ skipping 100 matching lines @@
       'infinite-list' : 'grouped-list';
 
     if (oldRange == undefined)
       return;
 
     this.queryHistory(false);
     this.fire('history-view-changed');
   },
 
   /** @private */
+  searchTermChanged_: function() {
+    this.queryHistory(false);
+    // TODO(tsergeant): Ignore incremental searches in this metric.
+    if (this.queryState.searchTerm)
+      md_history.BrowserService.getInstance().recordAction('Search');
+  },
+
+  /** @private */
   loadMoreHistory_: function() { this.queryHistory(true); },
 
   /**
    * @param {HistoryQuery} info
    * @param {!Array<HistoryEntry>} results
    * @private
    */
   initializeResults_: function(info, results) {
     if (results.length == 0)
       return;
@@ skipping 52 matching lines @@
     var menu = /** @type {CrSharedMenuElement} */this.$.sharedMenu.get();
     menu.toggleMenu(target, e.detail);
   },
 
   /** @private */
   onMoreFromSiteTap_: function() {
     md_history.BrowserService.getInstance().recordAction(
         'EntryMenuShowMoreFromSite');
 
     var menu = assert(this.$.sharedMenu.getIfExists());
-    this.fire('search-domain', {domain: menu.itemData.item.domain});
+    this.set('queryState.searchTerm', menu.itemData.item.domain);
     menu.closeMenu();
   },
 
   /** @private */
   onRemoveFromHistoryTap_: function() {
     var browserService = md_history.BrowserService.getInstance();
     browserService.recordAction('EntryMenuRemoveFromHistory');
     var menu = assert(this.$.sharedMenu.getIfExists());
     var itemData = menu.itemData;
     browserService.deleteItems([itemData.item])
@@ skipping 20 matching lines @@
         }.bind(this));
     menu.closeMenu();
   },
 
   /**
    * @return {HTMLElement}
    * @private
    */
   getSelectedList_: function() { return this.$.content.selectedItem; },
 });