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

components/prefs/pref_service_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 <stddef.h>
 #include <stdint.h>
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 312 matching lines @@
     EXPECT_EQ(entry.write_flags, flag_checker->GetLastFlagsAndClear());
 
     prefs->ReportUserPrefChanged(entry.pref_name);
     EXPECT_TRUE(flag_checker->last_write_flags_set());
     EXPECT_EQ(entry.write_flags, flag_checker->GetLastFlagsAndClear());
 
     prefs->ClearPref(entry.pref_name);
     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());
   }
 }
 
 class PrefServiceSetValueTest : public testing::Test {
  protected:
   static const char kName[];
   static const char kValue[];
 
@@ skipping 74 matching lines @@
 
   EXPECT_CALL(observer_, OnPreferenceChanged(_)).Times(0);
   prefs_.Set(kName, new_value);
   Mock::VerifyAndClearExpectations(&observer_);
 
   base::ListValue empty;
   observer_.Expect(kName, &empty);
   prefs_.Set(kName, empty);
   Mock::VerifyAndClearExpectations(&observer_);
 }