[iOS] Upstream SyncSetupService (and mock)

ios/chrome/browser/sync/sync_setup_service_mock.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 IOS_CHROME_BROWSER_SYNC_SYNC_SETUP_SERVICE_MOCK_H_
+#define IOS_CHROME_BROWSER_SYNC_SYNC_SETUP_SERVICE_MOCK_H_
+
+#include "ios/chrome/browser/sync/sync_setup_service.h"
+
+#include "testing/gmock/include/gmock/gmock.h"
+
+// Mock for the class that allows configuring sync on iOS.
+class SyncSetupServiceMock : public SyncSetupService {
+ public:
+  SyncSetupServiceMock(sync_driver::SyncService* sync_service,
+                       PrefService* prefs);
+  ~SyncSetupServiceMock();
+
+  MOCK_CONST_METHOD0(IsSyncEnabled, bool());
+
+  MOCK_CONST_METHOD0(IsSyncingAllDataTypes, bool());
+
+  MOCK_METHOD0(GetSyncServiceState, SyncServiceState());
+
+  MOCK_CONST_METHOD1(IsDataTypeEnabled, bool(syncer::ModelType));
+};
+
+#endif  // IOS_CHROME_BROWSER_SYNC_SYNC_SETUP_SERVICE_MOCK_H_