Uprefix CSS transitions in ui/ and chrome/ styles

chrome/browser/resources/chromeos/login/oobe_screen_user_image.css

Index: chrome/browser/resources/chromeos/login/oobe_screen_user_image.css
diff --git a/chrome/browser/resources/chromeos/login/oobe_screen_user_image.css b/chrome/browser/resources/chromeos/login/oobe_screen_user_image.css
index 45194a6f753be4cf9101765874d4a6453d678d63..c1609aa613374a4fe4a771077e0abc5ce9652485 100644
--- a/chrome/browser/resources/chromeos/login/oobe_screen_user_image.css
+++ b/chrome/browser/resources/chromeos/login/oobe_screen_user_image.css
@@ -105,7 +105,7 @@ html[dir=rtl] #user-image-preview {
 }
 
 #user-image-preview-img.animated-transform {
-  -webkit-transition: transform 200ms linear;
+  transition: transform 200ms linear;
 }
 
 .camera.live #user-image-preview-img {
@@ -134,10 +134,10 @@ html[dir=rtl] #user-image-preview {
 }
 
 #user-image-stream-crop {
-  -webkit-transition: transform 200ms linear;
   height: 220px;
   overflow: hidden;
   position: relative;
+  transition: transform 200ms linear;
   width: 220px;
 }
 
@@ -170,7 +170,6 @@ html[dir=rtl] #user-image-preview {
 }
 
 #flip-photo {
-  -webkit-transition: opacity 75ms linear;
   background: url(chrome://theme/IDR_MIRROR_FLIP) no-repeat;
   border: none;
   bottom: 44px;  /* 8px + image bottom. */
@@ -179,6 +178,7 @@ html[dir=rtl] #user-image-preview {
   opacity: 0;
   position: absolute;
   right: 8px;
+  transition: opacity 75ms linear;
   width: 32px;
   z-index: 1;
 }