Index: wp-includes/css/media-views-rtl.css
===================================================================
--- wp-includes/css/media-views-rtl.css	(revision 23182)
+++ wp-includes/css/media-views-rtl.css	(working copy)
@@ -127,6 +127,10 @@
 	right: -200px;
 }
 
+.media-frame input[type="search"]::-webkit-textfield-decoration-container {
+	direction: inherit;
+}
+
 /**
  * Attachment Browser Filters
  */