Disable the autofill password manager when a credential is sent via CM API.

chrome/browser/password_manager/chrome_password_manager_client.h

 // Copyright 2014 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_CHROME_PASSWORD_MANAGER_CLIENT_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_CHROME_PASSWORD_MANAGER_CLIENT_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 137 matching lines @@
 
   // Shows the dialog where the user can accept or decline the global autosignin
   // setting as a first run experience. The dialog won't appear in Incognito or
   // when the autosign-in is off.
   void PromptUserToEnableAutosigninIfNecessary();
 
   // Notify the PasswordManager that generation is available for |form|. Used
   // for UMA stats.
   void GenerationAvailableForForm(const autofill::PasswordForm& form);
 
-  // Called as a response to PromptUserToChooseCredentials. nullptr means that
-  // nothing was chosen.
+  // Called as a response to PromptUserToChooseCredentials. nullptr in |form|
+  // means that nothing was chosen. |one_local_credential| is true if there was
+  // just one local credential to be chosen from.
   void OnCredentialsChosen(const CredentialsCallback& callback,
+                           bool one_local_credential,
                            const autofill::PasswordForm* form);
 
   Profile* const profile_;
 
   password_manager::PasswordManager password_manager_;
 
   password_manager::ContentPasswordManagerDriverFactory* driver_factory_;
 
   password_manager::CredentialManagerDispatcher
       credential_manager_dispatcher_;
@@ skipping 14 matching lines @@
   std::unique_ptr<password_manager::LogManager> log_manager_;
 
   // Set during 'NotifyUserCouldBeAutoSignedIn' in order to store the
   // form for potential use during 'NotifySuccessfulLoginWithExistingPassword'.
   std::unique_ptr<autofill::PasswordForm> possible_auto_sign_in_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromePasswordManagerClient);
 };
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_CHROME_PASSWORD_MANAGER_CLIENT_H_