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

chrome/browser/password_manager/native_backend_kwallet_x.cc

 // 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.
 
 #include "chrome/browser/password_manager/native_backend_kwallet_x.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
@@ skipping 259 matching lines @@
     pickle->WriteBool(form->ssl_valid);
     pickle->WriteBool(form->preferred);
     pickle->WriteBool(form->blacklisted_by_user);
     pickle->WriteInt64(form->date_created.ToInternalValue());
     pickle->WriteInt(form->type);
     pickle->WriteInt(form->times_used);
     autofill::SerializeFormData(form->form_data, pickle);
     pickle->WriteInt64(form->date_synced.ToInternalValue());
     pickle->WriteString16(form->display_name);
     pickle->WriteString(form->icon_url.spec());
-    pickle->WriteString(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
+    pickle->WriteString(form->federation_origin.unique()
+                            ? ""

[vasilii, 2016/03/02 11:45:00]

string()

+                            : form->federation_origin.Serialize());
     pickle->WriteBool(form->skip_zero_click);
     pickle->WriteInt(form->generation_upload_status);
   }
 }
 
 // Moves the content of |second| to the end of |first|.
 void AppendSecondToFirst(ScopedVector<autofill::PasswordForm>* first,
                          ScopedVector<autofill::PasswordForm> second) {
   first->reserve(first->size() + second.size());
   first->insert(first->end(), second.begin(), second.end());
@@ skipping 798 matching lines @@
   }
 
   return handle;
 }
 
 std::string NativeBackendKWallet::GetProfileSpecificFolderName() const {
   // Originally, the folder name was always just "Chrome Form Data".
   // Now we use it to distinguish passwords for different profiles.
   return base::StringPrintf("%s (%d)", kKWalletFolder, profile_id_);
 }