Convert first letter into a pseudo element.

Source/core/rendering/RenderBlock.h

 /*
  * 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 Apple Inc. 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.
@@ skipping 208 matching lines @@
     LayoutUnit marginAfterForChild(const RenderBoxModelObject* child) const { return child->marginAfter(style()); }
     LayoutUnit marginStartForChild(const RenderBoxModelObject* child) const { return child->marginStart(style()); }
     LayoutUnit marginEndForChild(const RenderBoxModelObject* child) const { return child->marginEnd(style()); }
     void setMarginStartForChild(RenderBox* child, LayoutUnit value) const { child->setMarginStart(value, style()); }
     void setMarginEndForChild(RenderBox* child, LayoutUnit value) const { child->setMarginEnd(value, style()); }
     void setMarginBeforeForChild(RenderBox* child, LayoutUnit value) const { child->setMarginBefore(value, style()); }
     void setMarginAfterForChild(RenderBox* child, LayoutUnit value) const { child->setMarginAfter(value, style()); }
     LayoutUnit collapsedMarginBeforeForChild(const RenderBox* child) const;
     LayoutUnit collapsedMarginAfterForChild(const RenderBox* child) const;
 
-    virtual void updateFirstLetter();
     virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override;
 
     virtual void scrollbarsChanged(bool /*horizontalScrollbarChanged*/, bool /*verticalScrollbarChanged*/) { }
 
     LayoutUnit availableLogicalWidthForContent() const { return max<LayoutUnit>(0, logicalRightOffsetForContent() - logicalLeftOffsetForContent()); }
     LayoutUnit logicalLeftOffsetForContent() const { return isHorizontalWritingMode() ? borderLeft() + paddingLeft() : borderTop() + paddingTop(); }
     LayoutUnit logicalRightOffsetForContent() const { return logicalLeftOffsetForContent() + availableLogicalWidth(); }
     LayoutUnit startOffsetForContent() const { return style()->isLeftToRightDirection() ? logicalLeftOffsetForContent() : logicalWidth() - logicalRightOffsetForContent(); }
     LayoutUnit endOffsetForContent() const { return !style()->isLeftToRightDirection() ? logicalLeftOffsetForContent() : logicalWidth() - logicalRightOffsetForContent(); }
 
@@ skipping 115 matching lines @@
 
     void addChildIgnoringAnonymousColumnBlocks(RenderObject* newChild, RenderObject* beforeChild = 0);
 
     virtual bool isSelfCollapsingBlock() const override;
 
     void removeAnonymousWrappersIfRequired();
 
     void insertIntoTrackedRendererMaps(RenderBox* descendant, TrackedDescendantsMap*&, TrackedContainerMap*&);
     static void removeFromTrackedRendererMaps(RenderBox* descendant, TrackedDescendantsMap*&, TrackedContainerMap*&);
 
-    void createFirstLetterRenderer(RenderObject* firstLetterBlock, RenderText& currentChild, unsigned length);
-    void updateFirstLetterStyle(RenderObject* firstLetterBlock, RenderObject* firstLetterContainer);
-    bool isInvalidFirstLetterRenderer(RenderObject*) const;
-
     Node* nodeForHitTest() const;
 
 private:
     virtual bool avoidsFloats() const override { return true; }
 
     bool hitTestColumns(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction);
     bool hitTestContents(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction);
     // FIXME-BLOCKFLOW: Remove virtualizaion when all callers have moved to RenderBlockFlow
     virtual bool hitTestFloats(const HitTestRequest&, HitTestResult&, const HitTestLocation&, const LayoutPoint&) { return false; }
 
@@ skipping 115 matching lines @@
     // FIXME: This is temporary as we move code that accesses block flow
     // member variables out of RenderBlock and into RenderBlockFlow.
     friend class RenderBlockFlow;
 };
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderBlock, isRenderBlock());
 
 } // namespace blink
 
 #endif // RenderBlock_h