Implement origin-based deletion for password manager's auto-signin bit.

components/password_manager/core/browser/login_database.h

Index: components/password_manager/core/browser/login_database.h
diff --git a/components/password_manager/core/browser/login_database.h b/components/password_manager/core/browser/login_database.h
index c992f3eb159e7c18882efab2cf68e33db957d121..bcf8442f02a8f610d7676bdbd9ff39fc371100a7 100644
--- a/components/password_manager/core/browser/login_database.h
+++ b/components/password_manager/core/browser/login_database.h
@@ -77,8 +77,8 @@ class LoginDatabase {
   bool RemoveLoginsSyncedBetween(base::Time delete_begin,
                                  base::Time delete_end);
 
-  // Sets the 'skip_zero_click' flag to 'true' for all logins.
-  bool DisableAutoSignInForAllLogins();
+  // Sets the 'skip_zero_click' flag on all forms on |origin| to 'true'.
+  bool DisableAutoSignInForOrigin(const GURL& origin);
 
   // All Get* methods below overwrite |forms| with the returned credentials. On
   // success, those methods return true.