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..91fd9afe5b8b236c6c4a81e0ae6ac41c803e0655 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::AllowedByUnsupervisedUserOnly,
+                 base::Unretained(this));
+  pref_change_filters_[prefs::kBrowserAddPersonEnabled] =
+      base::Bind(&CoreOptionsHandler::AllowedByUnsupervisedUserOnly,
+                 base::Unretained(this));
 }
 
 void CoreOptionsHandler::InitializePage() {
@@ -657,4 +663,9 @@ void CoreOptionsHandler::UpdatePepperFlashSettingsEnabled() {
       "OptionsPage.setPepperFlashSettingsEnabled", enabled);
 }
 
+bool CoreOptionsHandler::AllowedByUnsupervisedUserOnly(

[Evan Stade, 2014/09/02 18:18:18]

can you just name this "IsUserUnsupervised"

[Mike Lerman, 2014/09/04 14:37:08]

Done.

+    const base::Value* to_value) {
+  return !Profile::FromWebUI(web_ui())->IsSupervised();
+}
+
 }  // namespace options