[Sync] Add keystore encryption info to about:sync

sync/util/time.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 "sync/util/time.h"
-
-#include "base/i18n/time_formatting.h"
-#include "base/utf_string_conversions.h"
-
-namespace syncer {
-
-int64 TimeToProtoTime(const base::Time& t) {
-  return (t - base::Time::UnixEpoch()).InMilliseconds();
-}
-
-base::Time ProtoTimeToTime(int64 proto_t) {
-  return base::Time::UnixEpoch() + base::TimeDelta::FromMilliseconds(proto_t);
-}
-
-std::string GetTimeDebugString(const base::Time& t) {
-  return UTF16ToUTF8(base::TimeFormatFriendlyDateAndTime(t));
-}
-
-}  // namespace syncer