Directly inline shared WebUI CSS declarations into the security and supervised user interstitials.

chrome/browser/ui/webui/options/options_ui.cc

Index: chrome/browser/ui/webui/options/options_ui.cc
diff --git a/chrome/browser/ui/webui/options/options_ui.cc b/chrome/browser/ui/webui/options/options_ui.cc
index 1678f09d89b690b37825e599ed73817011b930d2..d5e3bb2b848657c4661afac569e9f79deee1984f 100644
--- a/chrome/browser/ui/webui/options/options_ui.cc
+++ b/chrome/browser/ui/webui/options/options_ui.cc
@@ -167,7 +167,7 @@ void OptionsUIHTMLSource::StartDataRequest(
     int render_frame_id,
     const content::URLDataSource::GotDataCallback& callback) {
   scoped_refptr<base::RefCountedMemory> response_bytes;
-  webui::SetFontAndTextDirection(localized_strings_.get());
+  webui::SetTextDirection(localized_strings_.get());
 
   if (path == kLocalizedStringsFile) {
     // Return dynamically-generated strings from memory.