[Mac] Passwords: Don't always prompt to access passwords saved by other browsers

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>
 
 #include "build/build_config.h"
 
 #include "base/stl_util.h"
+#include "chrome/browser/password_manager/password_store.h"
 #include "chrome/browser/password_manager/password_store_consumer.h"
 #include "components/autofill/core/common/password_form.h"
 
 namespace content {
 class WebContents;
 }  // namespace content
 
 class PasswordManager;
-class PasswordStore;
 class Profile;
 
 // Per-password-form-{on-page, dialog} class responsible for interactions
 // between a given form, the per-tab PasswordManager, and the PasswordStore.
 class PasswordFormManager : public PasswordStoreConsumer {
  public:
   // profile contains the link to the PasswordStore and whether we're off
   //           the record
   // password_manager owns this object
   // form_on_page is the form that may be submitted and could need login data.
@@ skipping 15 matching lines @@
     ALLOW_OTHER_POSSIBLE_USERNAMES,
     IGNORE_OTHER_POSSIBLE_USERNAMES
   };
 
   // Compare basic data of observed_form_ with argument. Only check the action
   // URL when action match is required.
   bool DoesManage(const autofill::PasswordForm& form,
                   ActionMatch action_match) const;
 
   // Retrieves potential matching logins from the database.
-  void FetchMatchingLoginsFromPasswordStore();
+  // |prompt_policy| indicates whether it's permissible to prompt the user to
+  // authorize access to locked passwords. This argument is only used on
+  // platforms that support prompting the user for access (such as Mac OS).
+  void FetchMatchingLoginsFromPasswordStore(
+      PasswordStore::AuthorizationPromptPolicy prompt_policy);
 
   // Simple state-check to verify whether this object as received a callback
   // from the PasswordStore and completed its matching phase. Note that the
   // callback in question occurs on the same (and only) main thread from which
   // instances of this class are ever used, but it is required since it is
   // conceivable that a user (or ui test) could attempt to submit a login
   // prompt before the callback has occured, which would InvokeLater a call to
   // PasswordManager::ProvisionallySave, which would interact with this object
   // before the db has had time to answer with matching password entries.
   // This is intended to be a one-time check; if the return value is false the
@@ skipping 238 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_