Remove webkit prefixes for transform and perspective in chrome/ styles

chrome/test/data/perf/frame_rate/head.js

Index: chrome/test/data/perf/frame_rate/head.js
diff --git a/chrome/test/data/perf/frame_rate/head.js b/chrome/test/data/perf/frame_rate/head.js
index 9c22c7a4c8dd0602b9c9bc826ab89ff562b76efc..cde54ec7c33ff24bacb19fb3eaa17d833b986d26 100644
--- a/chrome/test/data/perf/frame_rate/head.js
+++ b/chrome/test/data/perf/frame_rate/head.js
@@ -414,7 +414,7 @@ function __start_recording() {
 }
 
 function __make_body_composited() {
-  document.body.style.webkitTransform = "translateZ(0)";
+  document.body.style.transform = "translateZ(0)";
 }
 
 function __start(gesture_function) {
@@ -491,5 +491,5 @@ function __reset() {
 }
 
 function __force_compositor() {
-  document.body.style.webkitTransform = "translateZ(0)";
+  document.body.style.transform = "translateZ(0)";
 }