Add first implemenation for SU password sync

chrome/browser/chromeos/login/fake_supervised_user_manager.h

Index: chrome/browser/chromeos/login/fake_supervised_user_manager.h
diff --git a/chrome/browser/chromeos/login/fake_supervised_user_manager.h b/chrome/browser/chromeos/login/fake_supervised_user_manager.h
index d68ead154521048633fb8d07d0863722a575efbb..ed8b9e14cfd1bd1ec9fe395ce69e6bce5f20a6aa 100644
--- a/chrome/browser/chromeos/login/fake_supervised_user_manager.h
+++ b/chrome/browser/chromeos/login/fake_supervised_user_manager.h
@@ -38,6 +38,13 @@ class FakeSupervisedUserManager : public SupervisedUserManager {
   virtual void SetCreationTransactionUserId(const std::string& user_id)
       OVERRIDE {}
   virtual void CommitCreationTransaction() OVERRIDE {}
+  virtual SupervisedUserAuthentication* GetAuthentication() OVERRIDE;
+  virtual void GetPasswordInformation(
+      const std::string& user_id,
+      base::DictionaryValue* result) OVERRIDE {}
+  virtual void SetPasswordInformation(
+      const std::string& user_id,
+      const base::DictionaryValue* password_info) OVERRIDE {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FakeSupervisedUserManager);