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

chrome/browser/password_manager/password_form_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_FORM_MANAGER_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_FORM_MANAGER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 61 matching lines @@
   bool HasCompletedMatching();
 
   // Determines if the user opted to 'never remember' passwords for this form.
   bool IsBlacklisted();
 
   // Used by PasswordManager to determine whether or not to display
   // a SavePasswordBar when given the green light to save the PasswordForm
   // managed by this.
   bool IsNewLogin();
 
+  // Returns true if the current pending credentials were found using
+  // origin matching of the public suffix, instead of the signon realm of the
+  // form.
+  bool IsPendingCredentialsPublicSuffixMatch();
+
   // Checks if the form is a valid password form. Forms which lack either
   // login or password field are not considered valid.
   bool HasValidPasswordForm();
 
   // These functions are used to determine if this form has had it's password
   // auto generated by the browser.
   bool HasGeneratedPassword();
   void SetHasGeneratedPassword();
 
   // Determines if we need to autofill given the results of the query.
@@ skipping 191 matching lines @@
   // These three fields record the "ActionsTaken" by the browser and
   // the user with this form, and the result. They are combined and
   // recorded in UMA when the manager is destroyed.
   ManagerAction manager_action_;
   UserAction user_action_;
   SubmitResult submit_result_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordFormManager);
 };
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_FORM_MANAGER_H_