Move rendering/RenderObject to layout/LayoutObject.

Source/core/rendering/RenderObjectInlines.h

-// 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.
-
-#ifndef RenderObjectInlines_h
-#define RenderObjectInlines_h
-
-#include "core/dom/StyleEngine.h"
-#include "core/rendering/RenderObject.h"
-
-namespace blink {
-
-// The following methods are inlined for performance but not put in
-// RenderObject.h because that would unnecessarily tie RenderObject.h
-// to StyleEngine.h for all users of RenderObject.h that don't use
-// these methods.
-
-inline RenderStyle* RenderObject::firstLineStyle() const
-{
-    return document().styleEngine()->usesFirstLineRules() ? cachedFirstLineStyle() : style();
-}
-
-inline RenderStyle* RenderObject::style(bool firstLine) const
-{
-    return firstLine ? firstLineStyle() : style();
-}
-
-inline const RenderStyle& RenderObject::styleRef(bool firstLine) const
-{
-    const RenderStyle* style = this->style(firstLine);
-    ASSERT(style);
-    return *style;
-}
-
-}
-
-#endif