Re-land the password store work from bug 8205, with changes that should fix b...

chrome/browser/password_manager/password_store_gnome.h

+// Copyright (c) 2006-2009 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_PASSWORD_STORE_GNOME
+#define CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_STORE_GNOME
+
+extern "C" {
+#include <gnome-keyring.h>
+}
+
+#include "base/lock.h"
+#include "chrome/browser/password_manager/password_store.h"
+
+class Profile;
+class Task;
+
+// PasswordStore implementation using Gnome Keyring.
+class PasswordStoreGnome : public PasswordStore {
+ public:
+  PasswordStoreGnome();
+  virtual ~PasswordStoreGnome();
+
+  virtual bool Init();
+
+ private:
+  void AddLoginImpl(const PasswordForm& form);
+  void UpdateLoginImpl(const PasswordForm& form);
+  void RemoveLoginImpl(const PasswordForm& form);
+  void GetLoginsImpl(GetLoginsRequest* request);
+
+  static const GnomeKeyringPasswordSchema kGnomeSchema;
+
+  // Mutex for all interactions with Gnome Keyring.
+  Lock gnome_keyring_lock_;
+
+  DISALLOW_COPY_AND_ASSIGN(PasswordStoreGnome);
+};
+
+#endif  // CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_STORE_GNOME