Build sync engine as part of the browser build

chrome/browser/sync/util/user_settings-win32.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.
-
-#include "chrome/browser/sync/util/user_settings.h"
-
-#include <string>
-
-#include "chrome/browser/sync/util/crypto_helpers.h"
-#include "chrome/browser/sync/util/data_encryption.h"
-#include "chrome/browser/sync/util/query_helpers.h"
-
-using std::string;
-
-namespace browser_sync {
-
-bool UserSettings::GetLastUser(string* username) {
-  ScopedDBHandle dbhandle(this);
-  ScopedStatement query(PrepareQuery(dbhandle.get(),
-      "SELECT email FROM cookies"));
-  if (SQLITE_ROW == sqlite3_step(query.get())) {
-    GetColumn(query.get(), 0, username);
-    return true;
-  } else {
-    return false;
-  }
-}
-
-void UserSettings::ClearAllServiceTokens() {
-  ScopedDBHandle dbhandle(this);
-  ExecOrDie(dbhandle.get(), "DELETE FROM cookies");
-}
-
-void UserSettings::SetAuthTokenForService(const string& email,
-    const string& service_name, const string& long_lived_service_token) {
-  ScopedDBHandle dbhandle(this);
-  ExecOrDie(dbhandle.get(), "INSERT INTO cookies "
-            "(email, service_name, service_token) "
-            "values (?, ?, ?)", email, service_name,
-            EncryptData(long_lived_service_token));
-}
-
-// Returns the username whose credentials have been persisted as well as
-// a service token for the named service.
-bool UserSettings::GetLastUserAndServiceToken(const string& service_name,
-                                              string* username,
-                                              string* service_token) {
-  ScopedDBHandle dbhandle(this);
-  ScopedStatement query(PrepareQuery(
-      dbhandle.get(),
-      "SELECT email, service_token FROM cookies WHERE service_name = ?",
-      service_name));
-
-  if (SQLITE_ROW == sqlite3_step(query.get())) {
-    GetColumn(query.get(), 0, username);
-
-    std::vector<uint8> encrypted_service_token;
-    GetColumn(query.get(), 1, &encrypted_service_token);
-    DecryptData(encrypted_service_token, service_token);
-    return true;
-  }
-
-  return false;
-}
-
-}  // namespace browser_sync