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

chrome/browser/password_manager/chrome_password_manager_client.h

Index: chrome/browser/password_manager/chrome_password_manager_client.h
diff --git a/chrome/browser/password_manager/chrome_password_manager_client.h b/chrome/browser/password_manager/chrome_password_manager_client.h
index bc8c97327559908634c0bd873c0c6e63f9d89b4b..fa856910d001ce1c887bde94f625e85b22ee45ab 100644
--- a/chrome/browser/password_manager/chrome_password_manager_client.h
+++ b/chrome/browser/password_manager/chrome_password_manager_client.h
@@ -155,9 +155,11 @@ class ChromePasswordManagerClient
   // 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_;