From 40d47f24d1f3e5e85d5aedf5921c9514f3edcd69 Mon Sep 17 00:00:00 2001
From: Kevin Schaaf <kschaaf@google.com>
Date: Fri, 8 Dec 2017 10:55:33 -0800
Subject: [PATCH] Avoid _setPendingProperty warning due to types not
 understanding deduping mixin.

---
 externs/closure-types.js           | 3 ++-
 lib/mixins/properties-changed.html | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/externs/closure-types.js b/externs/closure-types.js
index e3ff8c59..81a2fa86 100644
--- a/externs/closure-types.js
+++ b/externs/closure-types.js
@@ -52,9 +52,10 @@ Polymer_PropertiesChanged.prototype._getProperty = function(property){};
 /**
 * @param {string} property Name of the property
 * @param {*} value Value to set
+* @param {boolean=} ext Not used here; affordance for closure
 * @return {boolean}
 */
-Polymer_PropertiesChanged.prototype._setPendingProperty = function(property, value){};
+Polymer_PropertiesChanged.prototype._setPendingProperty = function(property, value, ext){};
 /**
 * @return {undefined}
 */
diff --git a/lib/mixins/properties-changed.html b/lib/mixins/properties-changed.html
index f80a16fd..91964cb3 100644
--- a/lib/mixins/properties-changed.html
+++ b/lib/mixins/properties-changed.html
@@ -240,10 +240,11 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
          *
          * @param {string} property Name of the property
          * @param {*} value Value to set
+         * @param {boolean=} ext Not used here; affordance for closure
          * @return {boolean} Returns true if the property changed
          * @protected
          */
-        _setPendingProperty(property, value) {
+        _setPendingProperty(property, value, ext) {
           let old = this.__data[property];
           let changed = this._shouldPropertyChange(property, value, old);
           if (changed) {