Update the snap points css properties

third_party/WebKit/Source/core/style/ScrollSnapPoints.h

-// Copyright 2017 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 ScrollSnapPoints_h
-#define ScrollSnapPoints_h
-
-#include <memory>
-#include "platform/Length.h"
-
-namespace blink {
-
-struct ScrollSnapPoints {
-  DISALLOW_NEW();
-
-  ScrollSnapPoints()
-      : repeat_offset(100, kPercent), has_repeat(false), uses_elements(false) {}
-
-  bool operator==(const ScrollSnapPoints& other) const {
-    return repeat_offset == other.repeat_offset &&
-           has_repeat == other.has_repeat &&
-           uses_elements == other.uses_elements;
-  }
-  bool operator!=(const ScrollSnapPoints& other) const {
-    return !(*this == other);
-  }
-
-  Length repeat_offset;
-  bool has_repeat;
-  bool uses_elements;
-};
-
-}  // namespace blink
-
-#endif  // ScrollSnapPoints_h