Revert of Convert first letter into a pseudo element.

Source/core/dom/FirstLetterPseudoElement.h

Index: Source/core/dom/FirstLetterPseudoElement.h
diff --git a/Source/core/dom/FirstLetterPseudoElement.h b/Source/core/dom/FirstLetterPseudoElement.h
deleted file mode 100644
index bc078cb087ea99e9c6ea60e9d26e1ce5b4bf873e..0000000000000000000000000000000000000000
--- a/Source/core/dom/FirstLetterPseudoElement.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2007 David Smith (catfish.man@gmail.com)
- * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
- * Copyright (C) Research In Motion Limited 2010. All rights reserved.
- *
- * 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 FirstLetterPseudoElement_h
-#define FirstLetterPseudoElement_h
-
-#include "core/dom/Document.h"
-#include "core/dom/PseudoElement.h"
-#include "wtf/text/WTFString.h"
-
-namespace blink {
-
-class Element;
-class RenderObject;
-class RenderTextFragment;
-
-class FirstLetterPseudoElement final : public PseudoElement {
-    WTF_MAKE_NONCOPYABLE(FirstLetterPseudoElement);
-public:
-    static PassRefPtrWillBeRawPtr<FirstLetterPseudoElement> create(Element* parent)
-    {
-        return adoptRefWillBeNoop(new FirstLetterPseudoElement(parent));
-    }
-
-    virtual ~FirstLetterPseudoElement();
-    virtual void trace(Visitor*) override;
-
-    static RenderObject* firstLetterTextRenderer(const Element&);
-    static unsigned firstLetterLength(const String&);
-
-    void setRemainingTextRenderer(RenderTextFragment* fragment) { m_remainingTextRenderer = fragment; }
-    RenderTextFragment* remainingTextRenderer() const { return m_remainingTextRenderer; }
-
-    void setNeedsUpdate();
-    bool needsUpdate() const { return m_needsUpdate; }
-
-    virtual void attach(const AttachContext& = AttachContext()) override;
-    virtual void detach(const AttachContext& = AttachContext()) override;
-
-private:
-    explicit FirstLetterPseudoElement(Element*);
-
-    virtual void didRecalcStyle(StyleRecalcChange) override;
-
-    void attachFirstLetterTextRenderers();
-    RenderStyle* styleForFirstLetter(RenderObject*);
-
-    RawPtrWillBeMember<RenderTextFragment> m_remainingTextRenderer;
-    bool m_needsUpdate;
-};
-
-DEFINE_ELEMENT_TYPE_CASTS(FirstLetterPseudoElement, isFirstLetterPseudoElement());
-
-} // namespace blink
-
-#endif // FirstLetterPseudoElement_h