[autofill] Add support for PSL domain matching for password autofill.

chrome/browser/password_manager/login_database.h

 // Copyright (c) 2011 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_PASSWORD_MANAGER_LOGIN_DATABASE_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_LOGIN_DATABASE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 97 matching lines @@
       bool blacklisted, std::vector<content::PasswordForm*>* forms) const;
 
   // Serialization routines for vectors.
   Pickle SerializeVector(const std::vector<string16>& vec) const;
   std::vector<string16> DeserializeVector(const Pickle& pickle) const;
 
   base::FilePath db_path_;
   mutable sql::Connection db_;
   sql::MetaTable meta_table_;
 
+  // Set to true if the public suffix based domain matching is enabled.
+  bool public_suffix_domain_matching_;
+
   DISALLOW_COPY_AND_ASSIGN(LoginDatabase);
 };
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_LOGIN_DATABASE_H_