Remove usage of singleton software_slot_ in nss on ChromeOS

chrome/browser/chromeos/login/auth/parallel_authenticator.cc

Index: chrome/browser/chromeos/login/auth/parallel_authenticator.cc
diff --git a/chrome/browser/chromeos/login/auth/parallel_authenticator.cc b/chrome/browser/chromeos/login/auth/parallel_authenticator.cc
index c729704df0ee35ac0bb16224378a759d3282653b..c2475e288f5d422bc67633a6a8256ae51af2b389 100644
--- a/chrome/browser/chromeos/login/auth/parallel_authenticator.cc
+++ b/chrome/browser/chromeos/login/auth/parallel_authenticator.cc
@@ -508,14 +508,16 @@ bool ParallelAuthenticator::VerifyOwner() {
   const std::string& user_id = current_state_->user_context.GetUserID();
   OwnerSettingsServiceFactory::GetInstance()->SetUsername(user_id);
 
-  // This should trigger certificate loading, which is needed in order to
-  // correctly determine if the current user is the owner.
+  // |IsOwnerForSafeModeAsync| expects logged in state to be
+  // LOGGED_IN_SAFE_MODE.
   if (LoginState::IsInitialized()) {
     LoginState::Get()->SetLoggedInState(LoginState::LOGGED_IN_SAFE_MODE,
                                         LoginState::LOGGED_IN_USER_NONE);
   }
 
-  OwnerSettingsService::IsPrivateKeyExistAsync(
+  OwnerSettingsService::IsOwnerForSafeModeAsync(
+      user_id,
+      current_state_->user_context.GetUserIDHash(),
       base::Bind(&ParallelAuthenticator::OnOwnershipChecked, this));
   return false;
 }