Move TestingPrefService to use unique_ptr<Value>

chrome/browser/prefs/incognito_mode_prefs_unittest.cc

 // Copyright (c) 2012 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/prefs/incognito_mode_prefs.h"
 
+#include "base/memory/ptr_util.h"
 #include "base/test/gtest_util.h"
 #include "chrome/common/pref_names.h"
 #include "components/sync_preferences/testing_pref_service_syncable.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class IncognitoModePrefsTest : public testing::Test {
  protected:
   void SetUp() override {
     IncognitoModePrefs::RegisterProfilePrefs(prefs_.registry());
   }
@@ skipping 14 matching lines @@
   EXPECT_TRUE(IncognitoModePrefs::IntToAvailability(2, &incognito));
   EXPECT_EQ(IncognitoModePrefs::FORCED, incognito);
 
   EXPECT_FALSE(IncognitoModePrefs::IntToAvailability(10, &incognito));
   EXPECT_EQ(IncognitoModePrefs::ENABLED, incognito);
   EXPECT_FALSE(IncognitoModePrefs::IntToAvailability(-1, &incognito));
   EXPECT_EQ(IncognitoModePrefs::ENABLED, incognito);
 }
 
 TEST_F(IncognitoModePrefsTest, GetAvailability) {
-  prefs_.SetUserPref(prefs::kIncognitoModeAvailability,
-                     new base::Value(IncognitoModePrefs::ENABLED));
+  prefs_.SetUserPref(
+      prefs::kIncognitoModeAvailability,
+      base::MakeUnique<base::Value>(IncognitoModePrefs::ENABLED));
   EXPECT_EQ(IncognitoModePrefs::ENABLED,
             IncognitoModePrefs::GetAvailability(&prefs_));
 
-  prefs_.SetUserPref(prefs::kIncognitoModeAvailability,
-                     new base::Value(IncognitoModePrefs::DISABLED));
+  prefs_.SetUserPref(
+      prefs::kIncognitoModeAvailability,
+      base::MakeUnique<base::Value>(IncognitoModePrefs::DISABLED));
   EXPECT_EQ(IncognitoModePrefs::DISABLED,
             IncognitoModePrefs::GetAvailability(&prefs_));
 
   prefs_.SetUserPref(prefs::kIncognitoModeAvailability,
-                     new base::Value(IncognitoModePrefs::FORCED));
+                     base::MakeUnique<base::Value>(IncognitoModePrefs::FORCED));
   EXPECT_EQ(IncognitoModePrefs::FORCED,
             IncognitoModePrefs::GetAvailability(&prefs_));
 }
 
 typedef IncognitoModePrefsTest IncognitoModePrefsDeathTest;
 
 TEST_F(IncognitoModePrefsDeathTest, GetAvailabilityBadValue) {
-  prefs_.SetUserPref(prefs::kIncognitoModeAvailability, new base::Value(-1));
+  prefs_.SetUserPref(prefs::kIncognitoModeAvailability,
+                     base::MakeUnique<base::Value>(-1));
   EXPECT_DCHECK_DEATH({
     IncognitoModePrefs::Availability availability =
         IncognitoModePrefs::GetAvailability(&prefs_);
     EXPECT_EQ(IncognitoModePrefs::ENABLED, availability);
   });
 }