Remove raw base::DictionaryValue::Set

services/preferences/tracked/pref_hash_filter.cc

 // Copyright 2013 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 "services/preferences/tracked/pref_hash_filter.h"
 
 #include <stdint.h>
 #include <algorithm>
 #include <utility>
 
@@ skipping 225 matching lines @@
               external_validation_hash_store_transaction.get())) {
         did_reset = true;
         prefs_altered = true;
       }
     }
     if (hash_store_transaction->StampSuperMac())
       prefs_altered = true;
   }
 
   if (did_reset) {
-    pref_store_contents->Set(user_prefs::kPreferenceResetTime,
-                             new base::Value(base::Int64ToString(
-                                 base::Time::Now().ToInternalValue())));
+    pref_store_contents->SetString(
+        user_prefs::kPreferenceResetTime,
+        base::Int64ToString(base::Time::Now().ToInternalValue()));
     FilterUpdate(user_prefs::kPreferenceResetTime);
 
     if (reset_on_load_observer_)
       reset_on_load_observer_->OnResetOnLoad();
   }
   reset_on_load_observer_.reset();
 
   UMA_HISTOGRAM_TIMES("Settings.FilterOnLoadTime",
                       base::TimeTicks::Now() - checkpoint);
 
@@ skipping 98 matching lines @@
   // which owns the pointers.
   HashStoreContents* raw_contents = hash_store_contents_copy.get();
   base::DictionaryValue* raw_changed_paths_macs = changed_paths_macs.get();
 
   return std::make_pair(
       base::Bind(&ClearFromExternalStore, base::Unretained(raw_contents),
                  base::Unretained(raw_changed_paths_macs)),
       base::Bind(&FlushToExternalStore, base::Passed(&hash_store_contents_copy),
                  base::Passed(&changed_paths_macs)));
 }