Stop passing raw pointers to DictionaryValue::Set, part 1

components/prefs/pref_service_unittest.cc

Index: components/prefs/pref_service_unittest.cc
diff --git a/components/prefs/pref_service_unittest.cc b/components/prefs/pref_service_unittest.cc
index 55d3ccce05549f21c399e23b9430dd184150fd5c..35033153a631685d373716ee80667493991aec3f 100644
--- a/components/prefs/pref_service_unittest.cc
+++ b/components/prefs/pref_service_unittest.cc
@@ -330,7 +330,8 @@ TEST(PrefServiceTest, WriteablePrefStoreFlags) {
     EXPECT_TRUE(flag_checker->last_write_flags_set());
     EXPECT_EQ(entry.write_flags, flag_checker->GetLastFlagsAndClear());
 
-    prefs->SetUserPrefValue(entry.pref_name, new base::DictionaryValue());
+    prefs->SetUserPrefValue(entry.pref_name,
+                            base::MakeUnique<base::DictionaryValue>());
     EXPECT_TRUE(flag_checker->last_write_flags_set());
     EXPECT_EQ(entry.write_flags, flag_checker->GetLastFlagsAndClear());
   }