Move TestingPrefService to use unique_ptr<Value>

chrome/browser/prefs/incognito_mode_prefs_unittest.cc

Index: chrome/browser/prefs/incognito_mode_prefs_unittest.cc
diff --git a/chrome/browser/prefs/incognito_mode_prefs_unittest.cc b/chrome/browser/prefs/incognito_mode_prefs_unittest.cc
index 96f50d61a6d95bc2d7e96078a86613a1457bec24..454e1d0c718522608ac97f2b1ba748acf0605529 100644
--- a/chrome/browser/prefs/incognito_mode_prefs_unittest.cc
+++ b/chrome/browser/prefs/incognito_mode_prefs_unittest.cc
@@ -4,6 +4,7 @@
 
 #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"
@@ -38,18 +39,20 @@ TEST_F(IncognitoModePrefsTest, IntToAvailability) {
 }
 
 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_));
 }
@@ -57,7 +60,8 @@ TEST_F(IncognitoModePrefsTest, GetAvailability) {
 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_);