Reduce webkit CSS prefixes in ui/ styles

chrome/browser/resources/bluetooth_internals/snackbar.js

Index: chrome/browser/resources/bluetooth_internals/snackbar.js
diff --git a/chrome/browser/resources/bluetooth_internals/snackbar.js b/chrome/browser/resources/bluetooth_internals/snackbar.js
index a13859ba4cf18397059c9f9a2c7d78633fa462a5..54db660f0556f363c2d14dd43551805b874861be 100644
--- a/chrome/browser/resources/bluetooth_internals/snackbar.js
+++ b/chrome/browser/resources/bluetooth_internals/snackbar.js
@@ -103,7 +103,7 @@ cr.define('snackbar', function() {
         return Promise.resolve();
 
       return new Promise(function(resolve) {
-        listenOnce(this, 'webkitTransitionEnd', function() {
+        listenOnce(this, 'transitionend', function() {
           this.dispatchEvent(new CustomEvent('dismissed'));
           resolve();
         }.bind(this));