Allow closing root window, or pressing the power button to shutdown ash_shell, and chrome /w chrome…

chrome/browser/chromeos/system/ash_system_tray_delegate.cc

Index: chrome/browser/chromeos/system/ash_system_tray_delegate.cc
diff --git a/chrome/browser/chromeos/system/ash_system_tray_delegate.cc b/chrome/browser/chromeos/system/ash_system_tray_delegate.cc
index f28867baa85986654352e70b9f980a4e236de086..2b41ba862a97af5730d6f0035d0fdb69c296f1db 100644
--- a/chrome/browser/chromeos/system/ash_system_tray_delegate.cc
+++ b/chrome/browser/chromeos/system/ash_system_tray_delegate.cc
@@ -383,6 +383,9 @@ class SystemTrayDelegate : public ash::SystemTrayDelegate,
 
   virtual void ShutDown() OVERRIDE {
     DBusThreadManager::Get()->GetPowerManagerClient()->RequestShutdown();
+    if (!base::chromeos::IsRunningOnChromeOS()) {
+      browser::AttemptUserExit();

[sadrul, 2012/08/07 13:29:03]

no braces

[Harry McCleave, 2012/08/07 18:30:14]

Done. Though I like my braces :'(

+    }
   }
 
   virtual void SignOut() OVERRIDE {