[MD Extensions] Move search field out of downloads, use it in extensions

chrome/browser/resources/md_extensions/toolbar.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('extensions', function() {
+  var Toolbar = Polymer({
+    is: 'extensions-toolbar',
+
+    /**
+     * @param {string} value
+     */
+    onSearchTermSearch: function(value) {
+    },
+  });
+
+  /**
+   * @constructor
+   * @implements {SearchField.Delegate}

[Dan Beam, 2015/09/14 23:16:06]

same nit here

[Dan Beam, 2015/09/14 23:52:54]

can ignore

[Devlin, 2015/09/15 17:24:06]

As discussed offline, this would work if we could find where to put the
@implements annotation for closure compiler on Toolbar - but we can't.  TODO'd.

+   */
+  function ToolbarSearchFieldDelegate(toolbar) {
+    this.toolbar_ = toolbar;
+  }
+
+  ToolbarSearchFieldDelegate.prototype = {
+    /** @override */
+    onSearchTermSearch: function(value) {
+      this.toolbar_.onSearchTermSearch(value);
+    }
+  };
+
+  return {Toolbar: Toolbar};
+});