Add a helper function to query whether parental control logging is on for the current chrome user

base/win/metro.h

Index: base/win/metro.h
===================================================================
--- base/win/metro.h	(revision 146138)
+++ base/win/metro.h	(working copy)
@@ -7,6 +7,7 @@
 #pragma once
 
 #include <windows.h>
+#include <wpcapi.h>
 
 #include "base/base_export.h"
 #include "base/string16.h"
@@ -62,6 +63,10 @@
 // Returns true if the screen supports touch.
 BASE_EXPORT bool IsTouchEnabled();
 
+// Returns true if Windows 8 Parental control activity logging is enabled.
+// Can only be called on the UI thread.
+BASE_EXPORT bool IsParentalControlActivityLoggingOn();
+
 }  // namespace win
 }  // namespace base