Supervised users: Slightly relax restrictions around extensions.

chrome/browser/ui/webui/extensions/extension_settings_handler.cc

Index: chrome/browser/ui/webui/extensions/extension_settings_handler.cc
diff --git a/chrome/browser/ui/webui/extensions/extension_settings_handler.cc b/chrome/browser/ui/webui/extensions/extension_settings_handler.cc
index 9537f617691251091338c3900959b8ecf8a041bb..8e3b041ca765df3aedb0401b3fde71d8ed18d532 100644
--- a/chrome/browser/ui/webui/extensions/extension_settings_handler.cc
+++ b/chrome/browser/ui/webui/extensions/extension_settings_handler.cc
@@ -272,6 +272,12 @@ base::DictionaryValue* ExtensionSettingsHandler::CreateExtensionDetailValue(
   // recommended install.
   DCHECK(!(managed_install || recommended_install) || !suspicious_install);
 
+  // |web_ui()| can be null in unit tests.
+  bool installed_by_custodian =
+      web_ui() && Profile::FromWebUI(web_ui())->IsSupervised() &&
+      extension->was_installed_by_custodian();
+  extension_data->SetBoolean("installedByCustodian", installed_by_custodian);
+
   GURL icon =
       ExtensionIconSource::GetIconURL(extension,
                                       extension_misc::EXTENSION_ICON_MEDIUM,
@@ -1077,6 +1083,11 @@ void ExtensionSettingsHandler::HandleEnableMessage(
   if (!extension)
     return;
 
+  if (Profile::FromWebUI(web_ui())->IsSupervised() &&
+      extension->was_installed_by_custodian()) {
+    return;
+  }
+
   if (!management_policy_->UserMayModifySettings(extension, NULL)) {
     LOG(ERROR) << "An attempt was made to enable an extension that is "
                << "non-usermanagable. Extension id: " << extension->id();
@@ -1161,6 +1172,11 @@ void ExtensionSettingsHandler::HandleAllowFileAccessMessage(
   if (!extension)
     return;
 
+  if (Profile::FromWebUI(web_ui())->IsSupervised() &&
+      extension->was_installed_by_custodian()) {
+    return;
+  }
+
   if (!management_policy_->UserMayModifySettings(extension, NULL)) {
     LOG(ERROR) << "An attempt was made to change allow file access of an"
                << " extension that is non-usermanagable. Extension id : "