MD Settings: convert paper-icon-button to paper-icon-button-light.

chrome/browser/resources/settings/search_engines_page/search_engine_entry.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.
 
 /**
  * @fileoverview 'settings-search-engine-entry' is a component for showing a
  * search engine with its name, domain and query URL.
  */
 Polymer({
   is: 'settings-search-engine-entry',
@@ skipping 67 matching lines @@
   },
 
   /** @private */
   onDeleteTap_: function() {
     this.browserProxy_.removeSearchEngine(this.engine.modelIndex);
     this.closePopupMenu_();
   },
 
   /** @private */
   onDotsTap_: function() {
-    /** @type {!CrActionMenuElement} */ (
-        this.$$('dialog[is=cr-action-menu]')).showAt(
-            assert(this.$$('paper-icon-button')));
+    /** @type {!CrActionMenuElement} */ (this.$$('dialog[is=cr-action-menu]'))
+        .showAt(assert(this.$$('button[is="paper-icon-button-light"]')));
   },
 
   /**
    * @param {!Event} e
    * @private
    */
   onEditTap_: function(e) {
     e.preventDefault();
     this.closePopupMenu_();
 
     this.showEditSearchEngineDialog_ = true;
     this.async(function() {
       var dialog = this.$$('settings-search-engine-dialog');
       // Register listener to detect when the dialog is closed. Flip the boolean
       // once closed to force a restamp next time it is shown such that the
       // previous dialog's contents are cleared.
       dialog.addEventListener('close', function() {
         this.showEditSearchEngineDialog_ = false;
-        this.$$('paper-icon-button').focus();
+        this.$$('button[is="paper-icon-button-light"]').focus();
       }.bind(this));
     }.bind(this));
   },
 
   /** @private */
   onMakeDefaultTap_: function() {
     this.closePopupMenu_();
     this.browserProxy_.setDefaultSearchEngine(this.engine.modelIndex);
   },
 });