Move TestingPrefService to use unique_ptr<Value>

components/prefs/pref_change_registrar_unittest.cc

Index: components/prefs/pref_change_registrar_unittest.cc
diff --git a/components/prefs/pref_change_registrar_unittest.cc b/components/prefs/pref_change_registrar_unittest.cc
index cecaca85ed90bd38f8bf23288a1b6da32b8f6b83..15be02c869e6a044d01c4b682db15cab27072441 100644
--- a/components/prefs/pref_change_registrar_unittest.cc
+++ b/components/prefs/pref_change_registrar_unittest.cc
@@ -2,9 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "components/prefs/pref_change_registrar.h"
+
 #include "base/bind.h"
 #include "base/bind_helpers.h"
-#include "components/prefs/pref_change_registrar.h"
+#include "base/memory/ptr_util.h"
 #include "components/prefs/pref_observer.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/testing_pref_service.h"
@@ -157,9 +159,11 @@ TEST_F(ObserveSetOfPreferencesTest, IsObserved) {
 TEST_F(ObserveSetOfPreferencesTest, IsManaged) {
   std::unique_ptr<PrefChangeRegistrar> pref_set(CreatePrefChangeRegistrar());
   EXPECT_FALSE(pref_set->IsManaged());
-  pref_service_->SetManagedPref(kHomePage, new Value("http://crbug.com"));
+  pref_service_->SetManagedPref(kHomePage,
+                                base::MakeUnique<Value>("http://crbug.com"));
   EXPECT_TRUE(pref_set->IsManaged());
-  pref_service_->SetManagedPref(kHomePageIsNewTabPage, new Value(true));
+  pref_service_->SetManagedPref(kHomePageIsNewTabPage,
+                                base::MakeUnique<Value>(true));
   EXPECT_TRUE(pref_set->IsManaged());
   pref_service_->RemoveManagedPref(kHomePage);
   EXPECT_TRUE(pref_set->IsManaged());
@@ -180,15 +184,18 @@ TEST_F(ObserveSetOfPreferencesTest, Observe) {
   pref_set.Add(kHomePageIsNewTabPage, callback);
 
   EXPECT_CALL(*this, OnPreferenceChanged(kHomePage));
-  pref_service_->SetUserPref(kHomePage, new Value("http://crbug.com"));
+  pref_service_->SetUserPref(kHomePage,
+                             base::MakeUnique<Value>("http://crbug.com"));
   Mock::VerifyAndClearExpectations(this);
 
   EXPECT_CALL(*this, OnPreferenceChanged(kHomePageIsNewTabPage));
-  pref_service_->SetUserPref(kHomePageIsNewTabPage, new Value(true));
+  pref_service_->SetUserPref(kHomePageIsNewTabPage,
+                             base::MakeUnique<Value>(true));
   Mock::VerifyAndClearExpectations(this);
 
   EXPECT_CALL(*this, OnPreferenceChanged(_)).Times(0);
-  pref_service_->SetUserPref(kApplicationLocale, new Value("en_US.utf8"));
+  pref_service_->SetUserPref(kApplicationLocale,
+                             base::MakeUnique<Value>("en_US.utf8"));
   Mock::VerifyAndClearExpectations(this);
 }