Switch security warning font to Roboto if client has it

chrome/browser/resources/security_warnings/interstitial_v2.css

Index: chrome/browser/resources/security_warnings/interstitial_v2.css
diff --git a/chrome/browser/resources/security_warnings/interstitial_v2.css b/chrome/browser/resources/security_warnings/interstitial_v2.css
index ba0c9f11d52db1d4002025ba84b84f24416635a8..325bbd709088fcdb1259692aa405907ec74755d8 100644
--- a/chrome/browser/resources/security_warnings/interstitial_v2.css
+++ b/chrome/browser/resources/security_warnings/interstitial_v2.css
@@ -1,6 +1,11 @@
 /* Copyright 2014 The Chromium Authors. All rights reserved.
    Use of this source code is governed by a BSD-style license that can be
    found in the LICENSE file. */
+@font-face {
+  font-family: 'Roboto2';
+  font-weight: 400;
+  src: local('Roboto'), local('Roboto2-Regular');
+}
 
 a {
   color: #585858;
@@ -9,6 +14,7 @@ a {
 body {
   background-color: #f7f7f7;
   color: #585858;
+  font-family: 'Roboto2';
   font-size: 125%;
 }