Convert SupervisedUserResourceThrottle to a NavigationThrottle.

chrome/browser/supervised_user/supervised_user_service_factory.cc

Index: chrome/browser/supervised_user/supervised_user_service_factory.cc
diff --git a/chrome/browser/supervised_user/supervised_user_service_factory.cc b/chrome/browser/supervised_user/supervised_user_service_factory.cc
index 113748d4c903ae2b57c6d37d668470d3310e1767..3029e998ca609a8be029edc6408ec6dec28193e9 100644
--- a/chrome/browser/supervised_user/supervised_user_service_factory.cc
+++ b/chrome/browser/supervised_user/supervised_user_service_factory.cc
@@ -19,9 +19,9 @@
 
 // static
 SupervisedUserService* SupervisedUserServiceFactory::GetForProfile(
-    Profile* profile) {
+    content::BrowserContext* browser_context) {
   return static_cast<SupervisedUserService*>(
-      GetInstance()->GetServiceForBrowserContext(profile, true));
+      GetInstance()->GetServiceForBrowserContext(browser_context, true));
 }
 
 // static