Build sync engine as part of the browser build

chrome/browser/sync/util/compat-file.h

-// 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.
-//
-// File compatability routines. Useful to delete database files with.
-
-#ifndef CHROME_BROWSER_SYNC_UTIL_COMPAT_FILE_H_
-#define CHROME_BROWSER_SYNC_UTIL_COMPAT_FILE_H_
-
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include "chrome/browser/sync/util/sync_types.h"
-
-extern const PathChar* const kPathSeparator;
-
-// Path calls for all OSes.
-// Returns 0 on success, non-zero on failure.
-int PathRemove(const PathString& path);
-
-#ifdef OS_WINDOWS
-inline int PathRemove(const PathString& path) {
-  return _wremove(path.c_str());
-}
-#elif (defined(OS_MACOSX) || defined(OS_LINUX))
-inline int PathRemove(const PathString& path) {
-  return unlink(path.c_str());
-}
-#endif
-
-#endif  // CHROME_BROWSER_SYNC_UTIL_COMPAT_FILE_H_