WebUI: cr-search-field: Remove delegation pattern, use simple event instead.

chrome/browser/resources/md_history/history_toolbar.js

Index: chrome/browser/resources/md_history/history_toolbar.js
diff --git a/chrome/browser/resources/md_history/history_toolbar.js b/chrome/browser/resources/md_history/history_toolbar.js
index 2e514abada67910df4a93420b6aaef78ea092b73..13f9c35d6c704424fc288305e4f4d533a484c1ca 100644
--- a/chrome/browser/resources/md_history/history_toolbar.js
+++ b/chrome/browser/resources/md_history/history_toolbar.js
@@ -2,22 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-/**
- * @constructor
- * @implements {SearchFieldDelegate}
- * @param {!HistoryToolbarElement} toolbar This history-toolbar.
- */
-function ToolbarSearchFieldDelegate(toolbar) {
-  this.toolbar_ = toolbar;
-}
-
-ToolbarSearchFieldDelegate.prototype = {
-  /** @override */
-  onSearchTermSearch: function(searchTerm) {
-    this.toolbar_.onSearch(searchTerm);
-  }
-};
-
 Polymer({
   is: 'history-toolbar',
   properties: {
@@ -97,16 +81,11 @@ Polymer({
   },
 
   /**
-   * @param {string} searchTerm
+   * @param {!CustomEvent} event
+   * @private
    */
-  onSearch: function(searchTerm) {
-    this.searchTerm = searchTerm;
-  },
-
-  attached: function() {
-    this.searchFieldDelegate_ = new ToolbarSearchFieldDelegate(this);
-    /** @type {!CrToolbarElement} */(this.$['main-toolbar']).getSearchField()
-        .setDelegate(this.searchFieldDelegate_);
+  onSearchChanged_: function(event) {
+    this.searchTerm = /** @type {string} */ (event.detail);
   },
 
   onClearSelectionTap_: function() {