GetLoginsRequest: Use ScopedVector to express ownership of forms

components/password_manager/core/browser/password_manager_client.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_CLIENT_H_
 #define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_CLIENT_H_
 
 #include "base/callback.h"
+#include "base/memory/scoped_vector.h"
 #include "base/metrics/field_trial.h"
 #include "components/autofill/core/common/password_form.h"
 #include "components/password_manager/core/browser/password_store.h"
 
 class PrefService;
 
 namespace autofill {
 class AutofillManager;
 }
 
@@ skipping 58 matching lines @@
   // allows it. The embedder is not required to prompt the user if it decides
   // that this form doesn't need to be saved.
   // Returns true if the prompt was indeed displayed.
   virtual bool PromptUserToSavePassword(
       scoped_ptr<PasswordFormManager> form_to_save) = 0;
 
   // Informs the embedder of a password forms that the user should choose from.
   // Returns true if the prompt is indeed displayed. If the prompt is not
   // displayed, returns false and does not call |callback|.
   // |callback| should be invoked with the chosen form.
-  // Note: The implementation takes ownership of all PasswordForms in
-  // |local_forms| and |federated_forms|.
   virtual bool PromptUserToChooseCredentials(
-      const std::vector<autofill::PasswordForm*>& local_forms,
-      const std::vector<autofill::PasswordForm*>& federated_forms,
+      ScopedVector<autofill::PasswordForm> local_forms,
+      ScopedVector<autofill::PasswordForm> federated_forms,
       base::Callback<void(const CredentialInfo&)> callback) = 0;
 
   // Called when a password is saved in an automated fashion. Embedder may
   // inform the user that this save has occured.
   virtual void AutomaticPasswordSave(
       scoped_ptr<PasswordFormManager> saved_form_manager) = 0;
 
   // Called when a password is autofilled. |best_matches| contains the
   // PasswordForm into which a password was filled: the client may choose to
   // save this to the PasswordStore, for example. Default implementation is a
@@ skipping 61 matching lines @@
   // Returns the main frame URL.
   virtual const GURL& GetMainFrameURL();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PasswordManagerClient);
 };
 
 }  // namespace password_manager
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_CLIENT_H_