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

chrome/browser/ui/passwords/manage_passwords_ui_controller.h

Index: chrome/browser/ui/passwords/manage_passwords_ui_controller.h
diff --git a/chrome/browser/ui/passwords/manage_passwords_ui_controller.h b/chrome/browser/ui/passwords/manage_passwords_ui_controller.h
index 4408e02123e66960ee6668f0e3eb925ee0b737b2..dfcfa146dd10db85583589f1dc4e69267d33afac 100644
--- a/chrome/browser/ui/passwords/manage_passwords_ui_controller.h
+++ b/chrome/browser/ui/passwords/manage_passwords_ui_controller.h
@@ -9,7 +9,6 @@
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/ref_counted.h"
 #include "chrome/browser/ui/passwords/manage_passwords_state.h"
 #include "chrome/browser/ui/passwords/passwords_client_ui_delegate.h"
 #include "chrome/browser/ui/passwords/passwords_model_delegate.h"
@@ -45,10 +44,11 @@
   ~ManagePasswordsUIController() override;
 
   // PasswordsClientUIDelegate:
-  void OnPasswordSubmitted(scoped_refptr<password_manager::PasswordFormManager>
-                               form_manager) override;
+  void OnPasswordSubmitted(
+      std::unique_ptr<password_manager::PasswordFormManager> form_manager)
+      override;
   void OnUpdatePasswordSubmitted(
-      scoped_refptr<password_manager::PasswordFormManager> form_manager)
+      std::unique_ptr<password_manager::PasswordFormManager> form_manager)
       override;
   bool OnChooseCredentials(
       std::vector<std::unique_ptr<autofill::PasswordForm>> local_credentials,
@@ -59,7 +59,7 @@
       const GURL& origin) override;
   void OnPromptEnableAutoSignin() override;
   void OnAutomaticPasswordSave(
-      scoped_refptr<password_manager::PasswordFormManager> form_manager)
+      std::unique_ptr<password_manager::PasswordFormManager> form_manager)
       override;
   void OnPasswordAutofilled(
       const std::map<base::string16, const autofill::PasswordForm*>&