Password Login Database: report correct changes from UpdateLogin().

chrome/browser/password_manager/password_store_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/password_store_x.h"
 
 #include <algorithm>
 #include <map>
 #include <vector>
 
@@ skipping 47 matching lines @@
   } else if (allow_default_store()) {
     changes = PasswordStoreDefault::AddLoginImpl(form);
   }
   return changes;
 }
 
 PasswordStoreChangeList PasswordStoreX::UpdateLoginImpl(
     const PasswordForm& form) {
   CheckMigration();
   PasswordStoreChangeList changes;
-  if (use_native_backend() && backend_->UpdateLogin(form)) {
-    changes.push_back(PasswordStoreChange(PasswordStoreChange::UPDATE, form));
+  if (use_native_backend() && backend_->UpdateLogin(form, &changes)) {
     allow_fallback_ = false;
   } else if (allow_default_store()) {
     changes = PasswordStoreDefault::UpdateLoginImpl(form);
   }
   return changes;
 }
 
 PasswordStoreChangeList PasswordStoreX::RemoveLoginImpl(
     const PasswordForm& form) {
   CheckMigration();
@@ skipping 188 matching lines @@
       // it before deleting the file just in case there is some problem deleting
       // the file (e.g. directory is not writable, but file is), which would
       // otherwise cause passwords to re-migrate next (or maybe every) time.
       DeleteAndRecreateDatabaseFile();
     }
   }
   ssize_t result = ok ? forms.size() : -1;
   STLDeleteElements(&forms);
   return result;
 }