Remove RenderStyle member from FontBuilder.

Source/core/css/resolver/FontBuilderTest.cpp

-// Copyright 2014 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 "config.h"
-#include "core/css/resolver/FontBuilder.h"
-#include "core/testing/DummyPageHolder.h"
-
-#include <gtest/gtest.h>
-
-namespace blink {
-
-class FontBuilderTest : public ::testing::Test {
-protected:
-    RenderStyle* getStyle(const FontBuilder& builder)
-    {
-        return builder.m_style;
-    }
-};
-
-TEST_F(FontBuilderTest, StylePointerInitialisation)
-{
-    OwnPtr<DummyPageHolder> dummy = DummyPageHolder::create(IntSize(800, 600));
-    FontBuilder builder(dummy->document());
-    EXPECT_EQ(0, getStyle(builder));
-}
-
-} // namespace blink