Remove ContentData.

sky/engine/core/rendering/style/ContentData.h

Index: sky/engine/core/rendering/style/ContentData.h
diff --git a/sky/engine/core/rendering/style/ContentData.h b/sky/engine/core/rendering/style/ContentData.h
deleted file mode 100644
index cfdcefc20d3ab707d0bce3ccbf624b98135cc425..0000000000000000000000000000000000000000
--- a/sky/engine/core/rendering/style/ContentData.h
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
- *           (C) 2000 Antti Koivisto (koivisto@kde.org)
- *           (C) 2000 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
- * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#ifndef ContentData_h
-#define ContentData_h
-
-#include "core/rendering/style/RenderStyleConstants.h"
-#include "core/rendering/style/StyleImage.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/PassOwnPtr.h"
-
-namespace blink {
-
-class Document;
-class RenderObject;
-class RenderStyle;
-
-class ContentData {
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-    static PassOwnPtr<ContentData> create(PassRefPtr<StyleImage>);
-    static PassOwnPtr<ContentData> create(const String&);
-
-    virtual ~ContentData() { }
-
-    virtual bool isImage() const { return false; }
-    virtual bool isText() const { return false; }
-
-    virtual RenderObject* createRenderer(Document&, RenderStyle*) const = 0;
-
-    virtual PassOwnPtr<ContentData> clone() const;
-
-    ContentData* next() const { return m_next.get(); }
-    void setNext(PassOwnPtr<ContentData> next) { m_next = next; }
-
-    virtual bool equals(const ContentData&) const = 0;
-
-private:
-    virtual PassOwnPtr<ContentData> cloneInternal() const = 0;
-
-    OwnPtr<ContentData> m_next;
-};
-
-#define DEFINE_CONTENT_DATA_TYPE_CASTS(typeName) \
-    DEFINE_TYPE_CASTS(typeName##ContentData, ContentData, content, content->is##typeName(), content.is##typeName())
-
-class ImageContentData final : public ContentData {
-    friend class ContentData;
-public:
-    const StyleImage* image() const { return m_image.get(); }
-    StyleImage* image() { return m_image.get(); }
-    void setImage(PassRefPtr<StyleImage> image) { m_image = image; }
-
-    virtual bool isImage() const override { return true; }
-    virtual RenderObject* createRenderer(Document&, RenderStyle*) const override;
-
-    virtual bool equals(const ContentData& data) const override
-    {
-        if (!data.isImage())
-            return false;
-        return *static_cast<const ImageContentData&>(data).image() == *image();
-    }
-
-private:
-    ImageContentData(PassRefPtr<StyleImage> image)
-        : m_image(image)
-    {
-    }
-
-    virtual PassOwnPtr<ContentData> cloneInternal() const override
-    {
-        RefPtr<StyleImage> image = const_cast<StyleImage*>(this->image());
-        return create(image.release());
-    }
-
-    RefPtr<StyleImage> m_image;
-};
-
-DEFINE_CONTENT_DATA_TYPE_CASTS(Image);
-
-class TextContentData final : public ContentData {
-    friend class ContentData;
-public:
-    const String& text() const { return m_text; }
-    void setText(const String& text) { m_text = text; }
-
-    virtual bool isText() const override { return true; }
-    virtual RenderObject* createRenderer(Document&, RenderStyle*) const override;
-
-    virtual bool equals(const ContentData& data) const override
-    {
-        if (!data.isText())
-            return false;
-        return static_cast<const TextContentData&>(data).text() == text();
-    }
-
-private:
-    TextContentData(const String& text)
-        : m_text(text)
-    {
-    }
-
-    virtual PassOwnPtr<ContentData> cloneInternal() const override { return create(text()); }
-
-    String m_text;
-};
-
-DEFINE_CONTENT_DATA_TYPE_CASTS(Text);
-
-inline bool operator==(const ContentData& a, const ContentData& b)
-{
-    return a.equals(b);
-}
-
-inline bool operator!=(const ContentData& a, const ContentData& b)
-{
-    return !(a == b);
-}
-
-} // namespace blink
-
-#endif // ContentData_h