Convert first letter into a pseudo element.

Source/core/rendering/RenderObject.h

Index: Source/core/rendering/RenderObject.h
diff --git a/Source/core/rendering/RenderObject.h b/Source/core/rendering/RenderObject.h
index 9eceb89f61840f4e1ec6bb68c26c01f8385a43f3..097b0bbf6b6f914098d60f898f8120b3eb65c2e2 100644
--- a/Source/core/rendering/RenderObject.h
+++ b/Source/core/rendering/RenderObject.h
@@ -638,7 +638,7 @@ public:
     void clearNode() { m_node = nullptr; }
 
     // Returns the styled node that caused the generation of this renderer.
-    // This is the same as node() except for renderers of :before and :after
+    // This is the same as node() except for renderers of :before, :after and :first-letter

[Julien - ping for review, 2014/10/09 18:24:48]

Nit: How about putting the :first-letter on the following line. That would make
for a better split paragraph.

[dsinclair, 2014/10/09 21:14:22]

Done.

     // pseudo elements for which their parent node is returned.
     Node* generatingNode() const { return isPseudoElement() ? node()->parentOrShadowHostNode() : node(); }