[iOS] Add FakeSyncService and factory for testing

components/sync_driver/fake_sync_service.cc

+// Copyright 2015 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/sync_driver/fake_sync_service.h"
+
+namespace sync_driver {
+
+FakeSyncService::FakeSyncService() : error_(GoogleServiceAuthError::NONE) {
+}
+
+FakeSyncService::~FakeSyncService() {
+}
+
+bool FakeSyncService::HasSyncSetupCompleted() const {
+  return false;
+}
+
+bool FakeSyncService::IsSyncActive() const {
+  return false;
+}
+
+syncer::ModelTypeSet FakeSyncService::GetActiveDataTypes() const {
+  return syncer::ModelTypeSet();
+}
+
+void FakeSyncService::AddObserver(sync_driver::SyncServiceObserver* observer) {
+}
+
+void FakeSyncService::RemoveObserver(
+    sync_driver::SyncServiceObserver* observer) {
+}
+
+bool FakeSyncService::HasObserver(
+    const sync_driver::SyncServiceObserver* observer) const {
+  return false;
+}
+
+bool FakeSyncService::IsSyncEnabledAndLoggedIn() {
+  return false;
+}
+
+void FakeSyncService::DisableForUser() {
+}
+
+void FakeSyncService::RequestStop() {
+}
+
+void FakeSyncService::RequestStart() {
+}
+
+syncer::ModelTypeSet FakeSyncService::GetPreferredDataTypes() const {
+  return syncer::ModelTypeSet();
+}
+
+void FakeSyncService::OnUserChoseDatatypes(bool sync_everything,
+                                           syncer::ModelTypeSet chosen_types) {
+}
+
+void FakeSyncService::SetSyncSetupCompleted() {
+}
+
+bool FakeSyncService::FirstSetupInProgress() const {
+  return false;
+}
+
+void FakeSyncService::SetSetupInProgress(bool setup_in_progress) {
+}
+
+bool FakeSyncService::setup_in_progress() const {
+  return false;
+}
+
+bool FakeSyncService::ConfigurationDone() const {
+  return false;
+}
+
+const GoogleServiceAuthError& FakeSyncService::GetAuthError() const {
+  return error_;
+}
+
+bool FakeSyncService::HasUnrecoverableError() const {
+  return false;
+}
+
+bool FakeSyncService::backend_initialized() const {
+  return false;
+}
+
+bool FakeSyncService::IsPassphraseRequiredForDecryption() const {
+  return false;
+}
+
+base::Time FakeSyncService::GetExplicitPassphraseTime() const {
+  return base::Time();
+}
+
+bool FakeSyncService::IsUsingSecondaryPassphrase() const {
+  return false;
+}
+
+void FakeSyncService::EnableEncryptEverything() {
+}
+
+void FakeSyncService::SetEncryptionPassphrase(const std::string& passphrase,
+                                              PassphraseType type) {
+}
+
+bool FakeSyncService::SetDecryptionPassphrase(const std::string& passphrase) {
+  return false;
+}
+
+bool FakeSyncService::IsPassphraseRequired() const {
+  return false;
+}
+
+syncer::ModelTypeSet FakeSyncService::GetEncryptedDataTypes() const {
+  return syncer::ModelTypeSet();
+}
+
+}  // namespace sync_driver