Make sure the device recovers from policy loss in the consumer case.

chrome/browser/chromeos/dbus/cryptohome_client.h

Index: chrome/browser/chromeos/dbus/cryptohome_client.h
diff --git a/chrome/browser/chromeos/dbus/cryptohome_client.h b/chrome/browser/chromeos/dbus/cryptohome_client.h
index a7a1d05eea621f911cdb108e74a7ce94715966d2..17f5a4143a45d28a520df3c9934cace1e6446423 100644
--- a/chrome/browser/chromeos/dbus/cryptohome_client.h
+++ b/chrome/browser/chromeos/dbus/cryptohome_client.h
@@ -61,6 +61,10 @@ class CryptohomeClient {
   // This method blocks until the call returns.
   virtual bool IsMounted(bool* is_mounted) = 0;
 
+  // Calls Unmount method and returns true when the call succeeds.
+  // This method blocks until the call returns.
+  virtual bool Unmount(bool* success) = 0;
+
   // Calls AsyncCheckKey method.  |callback| is called after the method call
   // succeeds.
   virtual void AsyncCheckKey(const std::string& username,