Uprefix CSS transitions in ui/ and chrome/ styles

ui/file_manager/file_manager/foreground/js/ui/progress_center_panel.js

Index: ui/file_manager/file_manager/foreground/js/ui/progress_center_panel.js
diff --git a/ui/file_manager/file_manager/foreground/js/ui/progress_center_panel.js b/ui/file_manager/file_manager/foreground/js/ui/progress_center_panel.js
index 6bc88e628b3e5213db7e06afd797d507ef296385..3d4bfab89ceae8201e87638c4c565c552e59d4ea 100644
--- a/ui/file_manager/file_manager/foreground/js/ui/progress_center_panel.js
+++ b/ui/file_manager/file_manager/foreground/js/ui/progress_center_panel.js
@@ -81,7 +81,7 @@ ProgressCenterItemElement.decorate = function(element) {
   element = /** @type {ProgressCenterItemElement} */ (element);
   element.state_ = ProgressItemState.PROGRESSING;
   element.track_ = element.querySelector('.progress-track');
-  element.track_.addEventListener('webkitTransitionEnd',
+  element.track_.addEventListener('transitionend',
                                   element.onTransitionEnd_.bind(element));
   element.cancelTransition_ = null;
   return element;