Remove most occurences of PrefRegistrySyncable::UNSYNCABLE_PREF

chrome/browser/prefs/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 "chrome/browser/prefs/tracked/pref_hash_filter.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
@@ skipping 81 matching lines @@
   // |pref_hash_store_| already.
   DCHECK(changed_paths_.empty());
 }
 
 // static
 void PrefHashFilter::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* registry) {
   // See GetResetTime for why this is a StringPref and not Int64Pref.
   registry->RegisterStringPref(
       prefs::kPreferenceResetTime,
-      base::Int64ToString(base::Time().ToInternalValue()),
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+      base::Int64ToString(base::Time().ToInternalValue()));
 }
 
 // static
 base::Time PrefHashFilter::GetResetTime(PrefService* user_prefs) {
   // Provide our own implementation (identical to the PrefService::GetInt64) in
   // order to ensure it remains consistent with the way we store this value
   // (which we do via a PrefStore, preventing us from reusing
   // PrefService::SetInt64).
   int64 internal_value = base::Time().ToInternalValue();
   if (!base::StringToInt64(
@@ skipping 106 matching lines @@
   }
 
   // TODO(gab): Remove this histogram by Feb 21 2014; after sufficient timing
   // data has been gathered from the wild to be confident this doesn't
   // significantly affect startup.
   UMA_HISTOGRAM_TIMES("Settings.FilterOnLoadTime",
                       base::TimeTicks::Now() - checkpoint);
 
   post_filter_on_load_callback.Run(pref_store_contents.Pass(), prefs_altered);
 }