diff --git a/system_state.h b/system_state.h
index 313d670..4f3c98f 100644
--- a/system_state.h
+++ b/system_state.h
@@ -40,6 +40,10 @@
   // False otherwise.
   virtual bool IsOOBEComplete() = 0;
 
+  // Returns true if we're running an official (i.e, non-dev, non-test) build.
+  // False otherwise.
+  virtual bool IsOfficialBuild() = 0;
+
   // Sets or gets the latest device policy.
   virtual void set_device_policy(const policy::DevicePolicy* device_policy) = 0;
   virtual const policy::DevicePolicy* device_policy() const = 0;