Implement Add and Update for PasswordStoreMac....

chrome/browser/password_manager/login_database.h

 // 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 file.
 
 #ifndef CHROME_BROWSER_PASSWORD_MANAGER_LOGIN_DATABASE_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_LOGIN_DATABASE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 13 matching lines @@
   LoginDatabase();
   virtual ~LoginDatabase();
 
   // Initialize the database with an sqlite file at the given path.
   // If false is returned, no other method should be called.
   bool Init(const FilePath& db_path);
 
   // Adds |form| to the list of remembered password forms.
   bool AddLogin(const webkit_glue::PasswordForm& form);
 
-  // Updates remembered password form.
-  bool UpdateLogin(const webkit_glue::PasswordForm& form);
+  // Updates remembered password form. Returns true on success and sets
+  // items_changed (if non-NULL) to the number of logins updated.
+  bool UpdateLogin(const webkit_glue::PasswordForm& form, int* items_changed);
 
   // Removes |form| from the list of remembered password forms.
   bool RemoveLogin(const webkit_glue::PasswordForm& form);
 
   // Removes all logins created from |delete_begin| onwards (inclusive) and
   // before |delete_end|. You may use a null Time value to do an unbounded
   // delete in either direction.
   bool RemoveLoginsCreatedBetween(const base::Time delete_begin,
                                   const base::Time delete_end);
 
@@ skipping 28 matching lines @@
                                      SQLStatement* s) const;
 
   sqlite3* db_;
   MetaTableHelper meta_table_;
 
   DISALLOW_COPY_AND_ASSIGN(LoginDatabase);
 };
 
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_LOGIN_DATABASE_H_