Build sync engine as part of the browser build

chrome/browser/sync/util/highres_timer-linux.cc

-// Copyright (c) 2009 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.
-//
-// High resolution timer functions for use in Linux.
-
-#include "chrome/browser/sync/util/highres_timer.h"
-
-const uint64 MICROS_IN_MILLI = 1000L;
-const uint64 MICROS_IN_HALF_MILLI = 500L;
-const uint64 MICROS_IN_HALF_SECOND = 500000L;
-
-uint64 HighresTimer::GetElapsedMs() const {
-  uint64 end_time = GetCurrentTicks();
-
-  // Scale to ms and round to nearest ms - rounding is important because
-  // otherwise the truncation error may accumulate e.g. in sums.
-  return (uint64(end_time - start_ticks_) + MICROS_IN_HALF_MILLI) /
-             MICROS_IN_MILLI;
-}
-
-uint64 HighresTimer::GetElapsedSec() const {
-  uint64 end_time = GetCurrentTicks();
-
-  // Scale to ms and round to nearest ms - rounding is important because
-  // otherwise the truncation error may accumulate e.g. in sums.
-  return (uint64(end_time - start_ticks_) + MICROS_IN_HALF_SECOND) /
-              MICROS_IN_SECOND;
-}