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

chrome/browser/password_manager/password_manager.h

 // Copyright (c) 2012 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_MANAGER_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_MANAGER_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 84 matching lines @@
   // such a late time because this experiment will only affect a small number
   // of users so we want to include a larger fraction of these users than the
   // normal 10%.
   void PossiblyInitializeUsernamesExperiment(
       const content::PasswordFormMap& matches) const;
 
   // Returns true if we can show possible usernames to users in cases where
   // the username for the form is ambigious.
   bool OtherPossibleUsernamesEnabled() const;
 
+  // Returns true if we should show an infobar instead of automatically saving
+  // the password, based on inspecting the state of |provisional_save_manager_|.
+  bool ShouldShowSavePasswordInfoBar() const;
+
   // Note about how a PasswordFormManager can transition from
   // pending_login_managers_ to provisional_save_manager_ and the infobar.
   //
   // 1. form "seen"
   //       |                                             new
   //       |                                               ___ Infobar
   // pending_login -- form submit --> provisional_save ___/
   //             ^                            |           \___ (update DB)
   //             |                           fail
   //             |-----------<------<---------|          !new
@@ skipping 23 matching lines @@
   BooleanPrefMember password_manager_enabled_;
 
   // Observers to be notified of LoginModel events.  This is mutable to allow
   // notification in const member functions.
   mutable ObserverList<LoginModelObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordManager);
 };
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_MANAGER_H_