Reduce usage of webkit CSS prefixes in chrome/browser/resources

chrome/browser/resources/uber/uber.js

Index: chrome/browser/resources/uber/uber.js
diff --git a/chrome/browser/resources/uber/uber.js b/chrome/browser/resources/uber/uber.js
index 2d44c7b278c6f80cbcaeb8f48b9e39279f658d59..d247f79461660ab9db14759ecba71f6a7b210d34 100644
--- a/chrome/browser/resources/uber/uber.js
+++ b/chrome/browser/resources/uber/uber.js
@@ -426,7 +426,7 @@ cr.define('uber', function() {
       var navWidth = Math.max(0, +navFrame.dataset.width + scrollOffset);
       navFrame.style.width = navWidth + 'px';
     } else {
-      navFrame.style.webkitTransform = 'translateX(' + -scrollOffset + 'px)';
+      navFrame.style.transform = 'translateX(' + -scrollOffset + 'px)';
     }
   }
 
@@ -459,7 +459,7 @@ cr.define('uber', function() {
         container.hidden = true;
         container.setAttribute('aria-hidden', 'true');
       }
-      container.addEventListener('webkitTransitionEnd', function(event) {
+      container.addEventListener('transitionend', function(event) {
         if (!event.target.classList.contains('selected'))
           event.target.hidden = true;
       });