Reduce usage of webkit CSS prefixes in chrome/browser/resources

chrome/browser/resources/options/search_page.css

Index: chrome/browser/resources/options/search_page.css
diff --git a/chrome/browser/resources/options/search_page.css b/chrome/browser/resources/options/search_page.css
index 47548c627d89e174364ee08f96fbb41fc474eaea..2d047ba781a974be70f145085fd5240c1563a5e5 100644
--- a/chrome/browser/resources/options/search_page.css
+++ b/chrome/browser/resources/options/search_page.css
@@ -44,7 +44,6 @@
 
 /* Provides the arrow which points at the anchor element. */
 .search-bubble-innards::after {
-  -webkit-transform: rotate(45deg);
   background:
       -webkit-linear-gradient(-45deg, rgb(251, 255, 181),
                                       rgb(255, 248, 172) 50%,
@@ -57,6 +56,7 @@
   left: 53px;
   position: absolute;
   top: -7px;
+  transform: rotate(45deg);
   width: 12px;
   z-index: -1;
 }
@@ -64,9 +64,9 @@
 /* Turns the arrow direction downwards, when the bubble is placed above the
  * anchor element */
 .search-bubble-innards.above::after {
-  -webkit-transform: rotate(-135deg);
   bottom: -7px;
   top: auto;
+  transform: rotate(-135deg);
 }
 
 .search-bubble-wrapper {