Switch SupportsUserData uses to use unique_ptr.

chrome/browser/ui/passwords/manage_passwords_ui_controller_mock.cc

 // 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.
 
 #include "chrome/browser/ui/passwords/manage_passwords_ui_controller_mock.h"
 
+#include "base/memory/ptr_util.h"
 #include "components/password_manager/core/browser/password_form_manager.h"
 #include "components/password_manager/core/common/credential_manager_types.h"
 #include "content/public/browser/web_contents.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 ManagePasswordsUIControllerMock::ManagePasswordsUIControllerMock(
     content::WebContents* contents)
     : ManagePasswordsUIController(contents) {
   // Do not silently replace an existing ManagePasswordsUIController because it
   // unregisters itself in WebContentsDestroyed().
   EXPECT_FALSE(contents->GetUserData(UserDataKey()));
-  contents->SetUserData(UserDataKey(), this);
+  contents->SetUserData(UserDataKey(), base::WrapUnique(this));
 }
 
 ManagePasswordsUIControllerMock::~ManagePasswordsUIControllerMock() {}