Add device policy to disallow shutdown - WebUI modifications

chrome/browser/chromeos/settings/shutdown_policy_handler.cc

Index: chrome/browser/chromeos/settings/shutdown_policy_handler.cc
diff --git a/chrome/browser/chromeos/settings/shutdown_policy_handler.cc b/chrome/browser/chromeos/settings/shutdown_policy_handler.cc
index cc1a322390857c3bdbb546d627260a1c9659129f..095a9868d84cce4f332619a9c3e8a951f020e7cf 100644
--- a/chrome/browser/chromeos/settings/shutdown_policy_handler.cc
+++ b/chrome/browser/chromeos/settings/shutdown_policy_handler.cc
@@ -22,8 +22,7 @@ ShutdownPolicyHandler::ShutdownPolicyHandler(CrosSettings* cros_settings,
   }
 }
 
-ShutdownPolicyHandler::~ShutdownPolicyHandler() {
-}
+ShutdownPolicyHandler::~ShutdownPolicyHandler() {}
 
 void ShutdownPolicyHandler::Shutdown() {
   shutdown_policy_subscription_.reset();