Use requestAnimationFrame() instead of vendor-specific version.

BUG=411790
TEST=manually confirmed

Review URL: https://codereview.chromium.org/552663003

Cr-Commit-Position: refs/heads/master@{#293874}

ui/webui/resources/js/cr/ui/table.js

@@ -248,7 +248,7 @@ cr.define('cr.ui', function() {
      * @param {Event} e The 'change' or 'splice' event.
      */
     handleChangeList_: function(e) {
-      webkitRequestAnimationFrame(this.header_.updateWidth.bind(this.header_));
+      requestAnimationFrame(this.header_.updateWidth.bind(this.header_));
     },
 
     /**