Uprefix CSS transitions in ui/ and chrome/ styles

ui/webui/resources/css/overlay.css

Index: ui/webui/resources/css/overlay.css
diff --git a/ui/webui/resources/css/overlay.css b/ui/webui/resources/css/overlay.css
index ed95bd48385b5cb43ac157870add35689157c89f..0187f76dc588ed3ddae2d4ed4ea1efd7020673f2 100644
--- a/ui/webui/resources/css/overlay.css
+++ b/ui/webui/resources/css/overlay.css
@@ -7,7 +7,6 @@
   -webkit-box-align: center;
   -webkit-box-orient: vertical;
   -webkit-box-pack: center;
-  -webkit-transition: 200ms opacity;
   background-color: rgba(255, 255, 255, 0.75);
   bottom: 0;
   display: -webkit-box;
@@ -19,6 +18,7 @@
   position: fixed;
   right: 0;
   top: 0;
+  transition: 200ms opacity;
 }
 
 /* Used to slide in the overlay. */
@@ -32,7 +32,6 @@
 .overlay .page {
   -webkit-border-radius: 3px;
   -webkit-box-orient: vertical;
-  -webkit-transition: 200ms transform;
   background: white;
   box-shadow: 0 4px 23px 5px rgba(0, 0, 0, 0.2), 0 2px 6px rgba(0,0,0,0.15);
   color: #333;
@@ -40,13 +39,14 @@
   min-width: 400px;
   padding: 0;
   position: relative;
+  transition: 200ms transform;
   z-index: 0;
 }
 
 /* If the options page is loading don't do the transition. */
 .loading .overlay,
 .loading .overlay .page {
-  -webkit-transition-duration: 0ms !important;
+  transition-duration: 0ms !important;
 }
 
 /* keyframes used to pulse the overlay */