CREDENTIAL: Serialize 'PasswordCredential' objects with "" as the federation.

components/password_manager/core/browser/login_database.cc

 // 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.
 
 #include "components/password_manager/core/browser/login_database.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <algorithm>
 #include <limits>
@@ skipping 923 matching lines @@
   s.BindBlob(4, pickle.data(), pickle.size());
   s.BindInt(5, form.times_used);
   s.BindString16(6, form.submit_element);
   s.BindInt64(7, form.date_synced.ToInternalValue());
   s.BindInt64(8, form.date_created.ToInternalValue());
   s.BindInt(9, form.blacklisted_by_user);
   s.BindInt(10, form.scheme);
   s.BindInt(11, form.type);
   s.BindString16(12, form.display_name);
   s.BindString(13, form.icon_url.spec());
-  s.BindString(14, form.federation_origin.Serialize());
+  // We serialize unique origins as "", in order to make other systems that
+  // read from the login database happy. https://crbug.com/591310
+  s.BindString(14, form.federation_origin.unique()
+                       ? std::string()
+                       : form.federation_origin.Serialize());
   s.BindInt(15, form.skip_zero_click);
   s.BindInt(16, form.generation_upload_status);
 
   // WHERE starts here.
   s.BindString(17, form.origin.spec());
   s.BindString16(18, form.username_element);
   s.BindString16(19, form.username_value);
   s.BindString16(20, form.password_element);
   s.BindString(21, form.signon_realm);
 
@@ skipping 371 matching lines @@
     UMA_HISTOGRAM_ENUMERATION("PasswordManager.PslDomainMatchTriggering",
                               psl_domain_match_metric, PSL_DOMAIN_MATCH_COUNT);
   }
 
   if (!statement->Succeeded())
     return false;
   return true;
 }
 
 }  // namespace password_manager