Revert of Convert first letter into a pseudo element.

Source/core/rendering/RenderBlock.h

Index: Source/core/rendering/RenderBlock.h
diff --git a/Source/core/rendering/RenderBlock.h b/Source/core/rendering/RenderBlock.h
index 5c75082e13488e799c20740d147a73e5ff7ad85f..d8a1126be79bff50102794ee711ce16439962a8b 100644
--- a/Source/core/rendering/RenderBlock.h
+++ b/Source/core/rendering/RenderBlock.h
@@ -229,6 +229,7 @@ public:
     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*/) { }
@@ -362,6 +363,9 @@ private:
     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);
+
     Node* nodeForHitTest() const;
 
 private: