Convert //ios from scoped_ptr to std::unique_ptr.

ios/chrome/browser/passwords/ios_chrome_password_manager_client.mm

 // Copyright 2015 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.
 
 #import "ios/chrome/browser/passwords/ios_chrome_password_manager_client.h"
 
+#include <memory>
 #include <utility>
 
-#include "base/memory/scoped_ptr.h"
 #include "components/autofill/core/common/password_form.h"
 #include "components/browser_sync/browser/profile_sync_service.h"
 #include "components/keyed_service/core/service_access_type.h"
 #include "components/password_manager/core/browser/password_form_manager.h"
 #include "components/password_manager/core/browser/password_manager_util.h"
 #include "components/password_manager/core/common/password_manager_pref_names.h"
 #include "components/signin/core/browser/signin_manager_base.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/passwords/ios_chrome_password_store_factory.h"
 #include "ios/chrome/browser/signin/signin_manager_factory.h"
@@ skipping 42 matching lines @@
 bool IOSChromePasswordManagerClient::PromptUserToChooseCredentials(
     ScopedVector<autofill::PasswordForm> local_forms,
     ScopedVector<autofill::PasswordForm> federated_forms,
     const GURL& origin,
     const CredentialsCallback& callback) {
   NOTIMPLEMENTED();
   return false;
 }
 
 bool IOSChromePasswordManagerClient::PromptUserToSaveOrUpdatePassword(
-    scoped_ptr<PasswordFormManager> form_to_save,
+    std::unique_ptr<PasswordFormManager> form_to_save,
     password_manager::CredentialSourceType type,
     bool update_password) {
   if (form_to_save->IsBlacklisted())
     return false;
   [delegate_ showSavePasswordInfoBar:std::move(form_to_save)];
   return true;
 }
 
 void IOSChromePasswordManagerClient::AutomaticPasswordSave(
-    scoped_ptr<PasswordFormManager> saved_form_manager) {
+    std::unique_ptr<PasswordFormManager> saved_form_manager) {
   NOTIMPLEMENTED();
 }
 
 bool IOSChromePasswordManagerClient::IsOffTheRecord() const {
   return (delegate_.browserState)->IsOffTheRecord();
 }
 
 PrefService* IOSChromePasswordManagerClient::GetPrefs() {
   return (delegate_.browserState)->GetPrefs();
 }
 
 PasswordStore* IOSChromePasswordManagerClient::GetPasswordStore() const {
   return IOSChromePasswordStoreFactory::GetForBrowserState(
              delegate_.browserState, ServiceAccessType::EXPLICIT_ACCESS)
       .get();
 }
 
 void IOSChromePasswordManagerClient::NotifyUserAutoSignin(
     ScopedVector<autofill::PasswordForm> local_forms,
     const GURL& origin) {}
 
 void IOSChromePasswordManagerClient::NotifyUserCouldBeAutoSignedIn(
-    scoped_ptr<autofill::PasswordForm> form) {}
+    std::unique_ptr<autofill::PasswordForm> form) {}
 
 void IOSChromePasswordManagerClient::NotifySuccessfulLoginWithExistingPassword(
     const autofill::PasswordForm& form) {}
 
 void IOSChromePasswordManagerClient::ForceSavePassword() {
   NOTIMPLEMENTED();
 }
 
 bool IOSChromePasswordManagerClient::IsSavingAndFillingEnabledForCurrentPage()
     const {
   return *saving_passwords_enabled_ && !IsOffTheRecord() &&
          !DidLastPageLoadEncounterSSLErrors() &&
          IsFillingEnabledForCurrentPage();
 }
 
 const GURL& IOSChromePasswordManagerClient::GetLastCommittedEntryURL() const {
   return delegate_.lastCommittedURL;
 }
 
 const password_manager::CredentialsFilter*
 IOSChromePasswordManagerClient::GetStoreResultFilter() const {
   return &credentials_filter_;
 }