diff --git a/common/hardware_interface.h b/common/hardware_interface.h
index 316ad3d..541a68a 100644
--- a/common/hardware_interface.h
+++ b/common/hardware_interface.h
@@ -89,6 +89,15 @@
   // powerwash cycles. In case of an error, such as no directory available,
   // returns false.
   virtual bool GetPowerwashSafeDirectory(base::FilePath* path) const = 0;
+
+  // Returns whether the first active ping was sent to Omaha at some point, and
+  // that the value is persisted across recovery (and powerwash) once set with
+  // |SetFirstActiveOmahaPingSent()|.
+  virtual bool GetFirstActiveOmahaPingSent() const = 0;
+
+  // Persist the fact that first active ping was sent to omaha. It bails out if
+  // it fails.
+  virtual void SetFirstActiveOmahaPingSent() = 0;
 };
 
 }  // namespace chromeos_update_engine