[Sync] Move 'sync' target to sync/

chrome/browser/sync/util/user_settings.h

-// Copyright (c) 2010 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.
-
-#ifndef CHROME_BROWSER_SYNC_UTIL_USER_SETTINGS_H_
-#define CHROME_BROWSER_SYNC_UTIL_USER_SETTINGS_H_
-#pragma once
-
-#include <map>
-#include <string>
-
-#include "base/synchronization/lock.h"
-#include "build/build_config.h"
-
-extern "C" struct sqlite3;
-
-class FilePath;
-
-namespace browser_sync {
-
-void ExecOrDie(sqlite3* dbhandle, const char *query);
-std::string APEncode(const std::string& in);
-std::string APDecode(const std::string& in);
-
-class URLFactory;
-
-class UserSettings {
- public:
-  // db_path is used for the main user settings.
-  // passwords_file contains hashes of passwords.
-  UserSettings();
-  ~UserSettings();
-  // Returns false (failure) if the db is a newer version.
-  bool Init(const FilePath& settings_path);
-  void StoreHashedPassword(const std::string& email,
-                           const std::string& password);
-  bool VerifyAgainstStoredHash(const std::string& email,
-                               const std::string& password);
-
-  // Set the username.
-  void SwitchUser(const std::string& email);
-
-  // Saves the email address and the named service token for the given user.
-  // Call this multiple times with the same email parameter to save multiple
-  // service tokens.
-  void SetAuthTokenForService(const std::string& email,
-                              const std::string& service_name,
-                              const std::string& long_lived_service_token);
-  // Erases all saved service tokens.
-  void ClearAllServiceTokens();
-
-  // Returns the user name whose credentials have been persisted.
-  bool GetLastUser(std::string* username);
-
-  // Returns the user name whose credentials have been persisted as well as a
-  // service token for the named service
-  bool GetLastUserAndServiceToken(const std::string& service_name,
-                                  std::string* username,
-                                  std::string* service_token);
-
-  void RemoveAllGuestSettings();
-
-  void StoreEmailForSignin(const std::string& signin,
-                           const std::string& primary_email);
-
-  // Multiple email addresses can map to the same Google Account.  This method
-  // returns the primary Google Account email associated with |signin|, which
-  // is used as both input and output.
-  bool GetEmailForSignin(std::string* signin);
-
-  std::string email() const;
-
-  // Get a unique ID suitable for use as the client ID.  This ID has the
-  // lifetime of the user settings database.  You may use this ID if your
-  // operating environment does not provide its own unique client ID.
-  std::string GetClientId();
-
- protected:
-  struct ScopedDBHandle {
-    explicit ScopedDBHandle(UserSettings* settings);
-    inline sqlite3* get() const { return *handle_; }
-    base::AutoLock mutex_lock_;
-    sqlite3** const handle_;
-  };
-
-  friend struct ScopedDBHandle;
-  friend class URLFactory;
-
-  void MigrateOldVersionsAsNeeded(sqlite3* const handle, int current_version);
-
- private:
-  std::string email_;
-  mutable base::Lock mutex_;  // protects email_.
-
-  // We keep a single dbhandle.
-  sqlite3* dbhandle_;
-  base::Lock dbhandle_mutex_;
-
-  // TODO(sync): Use in-memory cache for service auth tokens on posix.
-  // Have someone competent in Windows switch it over to not use Sqlite in the
-  // future.
-#ifndef OS_WIN
-  typedef std::map<std::string, std::string> ServiceTokenMap;
-  ServiceTokenMap service_tokens_;
-#endif  // OS_WIN
-
-  DISALLOW_COPY_AND_ASSIGN(UserSettings);
-};
-
-}  // namespace browser_sync
-
-#endif  // CHROME_BROWSER_SYNC_UTIL_USER_SETTINGS_H_