Set ComputedStyle on Node and use that in buildOwnLayout()

third_party/WebKit/Source/core/dom/ElementRareDataTest.cpp

-// Copyright 2016 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 "core/dom/ElementRareData.h"
-
-#include "core/layout/LayoutInline.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace blink {
-
-TEST(ElementRareDataTest, ComputedStyleStorage)
-{
-    // Without LayoutObject
-    ElementRareData* rareData = ElementRareData::create(nullptr);
-    RefPtr<ComputedStyle> style = ComputedStyle::create();
-    rareData->setComputedStyle(style);
-    EXPECT_EQ(style.get(), rareData->computedStyle());
-
-    // With LayoutObject
-    LayoutObject* layoutObject = new LayoutInline(nullptr);
-    rareData = ElementRareData::create(layoutObject);
-    rareData->setComputedStyle(style);
-    EXPECT_EQ(style.get(), rareData->computedStyle());
-
-    rareData->setLayoutObject(nullptr);
-    delete layoutObject;
-}
-
-} // namespace blink