diff --git a/hardware_chromeos.h b/hardware_chromeos.h
index 56f5ba8..e7fe486 100644
--- a/hardware_chromeos.h
+++ b/hardware_chromeos.h
@@ -42,6 +42,8 @@
   std::string GetFirmwareVersion() const override;
   std::string GetECVersion() const override;
   int GetPowerwashCount() const override;
+  bool GetNonVolatileDirectory(base::FilePath* path) const override;
+  bool GetPowerwashSafeDirectory(base::FilePath* path) const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(HardwareChromeOS);