Settings to control Add Person and Browse as Guest.

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

Index: chrome/browser/ui/webui/options/core_options_handler.cc
diff --git a/chrome/browser/ui/webui/options/core_options_handler.cc b/chrome/browser/ui/webui/options/core_options_handler.cc
index b7bc0ff5911135a5a7df5a61a06a23ef223e4046..e7e4af4c2971d10d45f9a74cfe80721eadcf3fa8 100644
--- a/chrome/browser/ui/webui/options/core_options_handler.cc
+++ b/chrome/browser/ui/webui/options/core_options_handler.cc
@@ -92,6 +92,12 @@ void CoreOptionsHandler::InitializeHandler() {
 
   pref_change_filters_[prefs::kMetricsReportingEnabled] =
       base::Bind(&AllowMetricsReportingChange);
+  pref_change_filters_[prefs::kBrowserGuestModeEnabled] =
+      base::Bind(&CoreOptionsHandler::IsUserUnsupervised,
+                 base::Unretained(this));
+  pref_change_filters_[prefs::kBrowserAddPersonEnabled] =
+      base::Bind(&CoreOptionsHandler::IsUserUnsupervised,
+                 base::Unretained(this));
 }
 
 void CoreOptionsHandler::InitializePage() {
@@ -657,4 +663,9 @@ void CoreOptionsHandler::UpdatePepperFlashSettingsEnabled() {
       "OptionsPage.setPepperFlashSettingsEnabled", enabled);
 }
 
+bool CoreOptionsHandler::IsUserUnsupervised(
+    const base::Value* to_value) {

[Evan Stade, 2014/09/04 17:55:36]

nit: will this fit on one line?

[Mike Lerman, 2014/09/04 20:58:51]

Yes :)

+  return !Profile::FromWebUI(web_ui())->IsSupervised();
+}
+
 }  // namespace options