Build sync engine as part of the browser build

chrome/browser/sync/util/user_settings.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 entry.
 //
 // This class isn't pretty. It's just a step better than globals, which is what
 // these were previously.
 
 #include "chrome/browser/sync/util/user_settings.h"
 
-#if defined(OS_WINDOWS)
+#include "build/build_config.h"
+
+#if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include <limits>
 #include <string>
 #include <vector>
 
 #include "base/file_util.h"
 #include "base/string_util.h"
 #include "chrome/browser/sync/syncable/directory_manager.h"  // For migration.
@@ skipping 150 matching lines @@
       ExecOrDie(dbhandle.get(), "INSERT INTO db_version values ( ? )",
                 kCurrentDBVersion);
 
       MakeSigninsTable(dbhandle.get());
       MakeCookiesTable(dbhandle.get());
       MakeSigninTypesTable(dbhandle.get());
       MakeClientIDTable(dbhandle.get());
     }
     ExecOrDie(dbhandle.get(), "COMMIT TRANSACTION");
   }
-#ifdef OS_WINDOWS
+#ifdef OS_WIN
   // Do not index this file. Scanning can occur every time we close the file,
   // which causes long delays in SQLite's file locking.
   const DWORD attrs = GetFileAttributes(settings_path.c_str());
   const BOOL attrs_set =
     SetFileAttributes(settings_path.c_str(),
                       attrs | FILE_ATTRIBUTE_NOT_CONTENT_INDEXED);
 #endif
   return true;
 }
 
@@ skipping 149 matching lines @@
   ScopedStatement query(PrepareQuery(dbhandle.get(),
                                      "SELECT id FROM client_id"));
   int query_result = sqlite3_step(query.get());
   string client_id;
   if (query_result == SQLITE_ROW)
     GetColumn(query.get(), 0, &client_id);
   return client_id;
 }
 
 }  // namespace browser_sync