Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/webui/signin/sync_confirmation_handler_unittest.cc

 // Copyright 2016 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/webui/signin/sync_confirmation_handler.h"
 
 #include "base/test/user_action_tester.h"
 #include "base/values.h"
 #include "chrome/browser/profiles/profile_avatar_icon_util.h"
 #include "chrome/browser/signin/account_fetcher_service_factory.h"
@@ skipping 104 matching lines @@
   TestingProfile* CreateProfile() override {
     TestingProfile::Builder builder;
     builder.AddTestingFactory(AccountFetcherServiceFactory::GetInstance(),
                               FakeAccountFetcherServiceBuilder::BuildForTests);
     builder.AddTestingFactory(
         SigninManagerFactory::GetInstance(), BuildFakeSigninManagerBase);
     return builder.Build().release();
   }
 
 private:
-  scoped_ptr<content::TestWebUI> web_ui_;
-  scoped_ptr<SyncConfirmationUI> sync_confirmation_ui_;
-  TestingSyncConfirmationHandler* handler_;  // Not owned.
-  base::UserActionTester user_action_tester_;
+ std::unique_ptr<content::TestWebUI> web_ui_;
+ std::unique_ptr<SyncConfirmationUI> sync_confirmation_ui_;
+ TestingSyncConfirmationHandler* handler_;  // Not owned.
+ base::UserActionTester user_action_tester_;
 };
 
 TEST_F(SyncConfirmationHandlerTest, TestSetImageIfPrimaryAccountReady) {
   browser()->ShowModalSyncConfirmationWindow();
   account_fetcher_service()->FakeUserInfoFetchSuccess(
       "gaia",
       "foo@example.com",
       "gaia",
       "",
       "full_name",
@@ skipping 88 matching lines @@
   EXPECT_FALSE(sync()->IsFirstSetupInProgress());
   EXPECT_TRUE(sync()->IsFirstSetupComplete());
   EXPECT_TRUE(
       SigninManagerFactory::GetForProfile(profile())->IsAuthenticated());
   EXPECT_EQ(0, user_action_tester()->GetActionCount("Signin_Undo_Signin"));
   EXPECT_EQ(1, user_action_tester()->GetActionCount(
       "Signin_Signin_WithDefaultSyncSettings"));
   EXPECT_EQ(0, user_action_tester()->GetActionCount(
       "Signin_Signin_WithAdvancedSyncSettings"));
 }