Revert of [Password Manager] Convert |pending_login_managers_| to an array of scoped_refptr

components/password_manager/core/browser/credential_manager_password_form_manager.h

Index: components/password_manager/core/browser/credential_manager_password_form_manager.h
diff --git a/components/password_manager/core/browser/credential_manager_password_form_manager.h b/components/password_manager/core/browser/credential_manager_password_form_manager.h
index 556bb18de0efaf27f67e7de67651217037208ec9..4816e1768bc70528bbad200233992fde57a846d1 100644
--- a/components/password_manager/core/browser/credential_manager_password_form_manager.h
+++ b/components/password_manager/core/browser/credential_manager_password_form_manager.h
@@ -6,7 +6,6 @@
 #define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_CREDENTIAL_MANAGER_PASSWORD_FORM_MANAGER_H_
 
 #include "base/macros.h"
-#include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "components/password_manager/core/browser/password_form_manager.h"
 
@@ -47,13 +46,11 @@
       CredentialManagerPasswordFormManagerDelegate* delegate,
       std::unique_ptr<FormSaver> form_saver,
       std::unique_ptr<FormFetcher> form_fetcher);
+  ~CredentialManagerPasswordFormManager() override;
 
   void ProcessMatches(
       const std::vector<const autofill::PasswordForm*>& non_federated,
       size_t filtered_count) override;
-
- protected:
-  ~CredentialManagerPasswordFormManager() override;
 
  private:
   // Calls OnProvisionalSaveComplete on |delegate_|.