[Template Expressions] changing ${ leader to $i18n{

ui/webui/resources/css/text_defaults_md.css

Index: ui/webui/resources/css/text_defaults_md.css
diff --git a/ui/webui/resources/css/text_defaults_md.css b/ui/webui/resources/css/text_defaults_md.css
index a2b2022667a8bfa2a1e68e4ff115d2ca835a34b5..020c47a004b025d506f651e79bb72db6d35860e3 100644
--- a/ui/webui/resources/css/text_defaults_md.css
+++ b/ui/webui/resources/css/text_defaults_md.css
@@ -13,19 +13,19 @@
  *
  * 2. via the webui::AppendWebUICSSTextDefaultsMd() method to directly append it
  * to an HTML string.
- * Otherwise its $placeholders won't be expanded. */
+ * Otherwise its $i18n{placeholders} won't be expanded. */
 
 @import url(chrome://resources/css/roboto.css);
 
 html {
-  direction: ${textDirection};
+  direction: $i18n{textDirection};
 }
 
 body {
-  font-family: Roboto, ${fontFamily};
-  font-size: ${fontSize};
+  font-family: Roboto, $i18n{fontFamily};
+  font-size: $i18n{fontSize};
 }
 
 button {
-  font-family: Roboto, ${fontFamily};
+  font-family: Roboto, $i18n{fontFamily};
 }