[Password Manager] Switch password manager code to use the Feature framework.

components/password_manager/core/browser/password_manager_util.h

 // Copyright 2013 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.
 
 #ifndef COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_UTIL_H_
 #define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_UTIL_H_
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "components/password_manager/core/browser/password_manager_client.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace autofill {
 struct PasswordForm;
 }
 
+namespace base {
+class FeatureList;
+}
+
 namespace sync_driver {
 class SyncService;
 }
 
 namespace password_manager_util {
 
 // Reports whether and how passwords are currently synced. In particular, for a
 // null |sync_service| returns NOT_SYNCING_PASSWORDS.
 password_manager::PasswordSyncState GetPasswordSyncState(
     const sync_driver::SyncService* sync_service);
@@ skipping 18 matching lines @@
 // finished for PasswordForm.
 std::vector<scoped_ptr<autofill::PasswordForm>> ConvertScopedVector(
     ScopedVector<autofill::PasswordForm> old_vector);
 
 // A convenience function for testing that |client| has a non-null LogManager
 // and that that LogManager returns true for IsLoggingActive. This function can
 // be removed once PasswordManagerClient::GetLogManager is implemented on iOS
 // and required to always return non-null.
 bool IsLoggingActive(const password_manager::PasswordManagerClient* client);
 
+// Helper function to registers a field trial to override the enabled state of
+// the password manager features.
+void RegisterFieldTrials(base::FeatureList* feature_list);
+
 }  // namespace password_manager_util
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_UTIL_H_