Create signin component and componentize TokenWebData.

chrome/browser/webdata/token_service_table.h

-// Copyright 2014 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_WEBDATA_TOKEN_SERVICE_TABLE_H_
-#define CHROME_BROWSER_WEBDATA_TOKEN_SERVICE_TABLE_H_
-
-#include <map>
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "components/webdata/common/web_database_table.h"
-
-class WebDatabase;
-
-class TokenServiceTable : public WebDatabaseTable {
- public:
-  TokenServiceTable() {}
-  virtual ~TokenServiceTable() {}
-
-  // Retrieves the TokenServiceTable* owned by |database|.
-  static TokenServiceTable* FromWebDatabase(WebDatabase* db);
-
-  virtual WebDatabaseTable::TypeKey GetTypeKey() const OVERRIDE;
-  virtual bool Init(sql::Connection* db, sql::MetaTable* meta_table) OVERRIDE;
-  virtual bool IsSyncable() OVERRIDE;
-  virtual bool MigrateToVersion(int version,
-                                bool* update_compatible_version) OVERRIDE;
-
-  // Remove all tokens previously set with SetTokenForService.
-  bool RemoveAllTokens();
-
-  // Removes a token related to the service from the token_service table.
-  bool RemoveTokenForService(const std::string& service);
-
-  // Retrieves all tokens previously set with SetTokenForService.
-  // Returns true if there were tokens and we decrypted them,
-  // false if there was a failure somehow
-  bool GetAllTokens(std::map<std::string, std::string>* tokens);
-
-  // Store a token in the token_service table. Stored encrypted. May cause
-  // a mac keychain popup.
-  // True if we encrypted a token and stored it, false otherwise.
-  bool SetTokenForService(const std::string& service,
-                          const std::string& token);
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(TokenServiceTable);
-};
-
-#endif  // CHROME_BROWSER_WEBDATA_TOKEN_SERVICE_TABLE_H_