From 3da5b437d9d7272e07e568b7cab327806416c2a3 Mon Sep 17 00:00:00 2001
From: Yuriy Yevstihnyeyev <yuriy@vaadin.com>
Date: Wed, 20 Sep 2017 16:03:48 +0300
Subject: [PATCH 1/2] Add back the import of Polymer.GestureEventListeners

---
 vaadin-button.html | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/vaadin-button.html b/vaadin-button.html
index 9b098fa..81eab42 100644
--- a/vaadin-button.html
+++ b/vaadin-button.html
@@ -5,6 +5,7 @@
 -->
 
 <link rel="import" href="../polymer/polymer-element.html">
+<link rel="import" href="../polymer/lib/mixins/gesture-event-listeners.html">
 <link rel="import" href="../vaadin-themable-mixin/vaadin-themable-mixin.html">
 <link rel="import" href="../vaadin-control-state-mixin/vaadin-control-state-mixin.html">
 
@@ -70,9 +71,10 @@
        * @memberof Vaadin
        * @mixes Vaadin.ControlStateMixin
        * @mixes Vaadin.ThemableMixin
+       * @mixes Polymer.GestureEventListeners
        * @demo demo/index.html
        */
-      class ButtonElement extends Vaadin.ControlStateMixin(Vaadin.ThemableMixin(Polymer.Element)) {
+      class ButtonElement extends Vaadin.ControlStateMixin(Vaadin.ThemableMixin(Polymer.GestureEventListeners(Polymer.Element))) {
         static get is() {
           return 'vaadin-button';
         }

From bace62265ecf8178ab10bac9779deb84a663e204 Mon Sep 17 00:00:00 2001
From: Yuriy Yevstihnyeyev <yuriy@vaadin.com>
Date: Wed, 20 Sep 2017 16:11:10 +0300
Subject: [PATCH 2/2] Get rid of old API

---
 vaadin-button.html | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/vaadin-button.html b/vaadin-button.html
index 81eab42..f8d246c 100644
--- a/vaadin-button.html
+++ b/vaadin-button.html
@@ -93,8 +93,8 @@
         }
 
         _addActiveListeners() {
-          this._addEventListenerToNode(this, 'down', () => !this.disabled && this.setAttribute('active', ''));
-          this._addEventListenerToNode(this, 'up', () => this.removeAttribute('active'));
+          Polymer.Gestures.addListener(this, 'down', () => !this.disabled && this.setAttribute('active', ''));
+          Polymer.Gestures.addListener(this, 'up', () => this.removeAttribute('active'));
           this.addEventListener('keydown', e => !this.disabled && [13, 32].indexOf(e.keyCode) >= 0 && this.setAttribute('active', ''));
           this.addEventListener('keyup', () => this.removeAttribute('active'));
         }