Add a dummy entry with libsecret when initializing OSCrypt.

chrome/browser/password_manager/native_backend_libsecret.h

 // Copyright (c) 2015 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_NATIVE_BACKEND_LIBSECRET_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_NATIVE_BACKEND_LIBSECRET_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 87 matching lines @@
 
   // Convert data get from Libsecret to Passwordform. Uses |lookup_form| for
   // additional (PSL) matching, if present.
   ScopedVector<autofill::PasswordForm> ConvertFormList(
       GList* found,
       const password_manager::PasswordStore::FormDigest* lookup_form);
 
   // The app string, possibly based on the local profile id.
   std::string app_string_;
 
+  // True if we're already ensured that the default keyring has been unlocked
+  // once.
+  bool ensured_keyring_unlocked_;
+
   DISALLOW_COPY_AND_ASSIGN(NativeBackendLibsecret);
 };
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_NATIVE_BACKEND_LIBSECRET_H_