Convert first letter into a pseudo element.

Source/core/dom/PseudoElement.cpp

Index: Source/core/dom/PseudoElement.cpp
diff --git a/Source/core/dom/PseudoElement.cpp b/Source/core/dom/PseudoElement.cpp
index 9e3d981ea39d84921a1f192a096b052e1c2636c4..559b1742fd5bb4e43ba40de4f827900c7eade58f 100644
--- a/Source/core/dom/PseudoElement.cpp
+++ b/Source/core/dom/PseudoElement.cpp
@@ -27,6 +27,7 @@
 #include "config.h"
 #include "core/dom/PseudoElement.h"
 
+#include "core/dom/FirstLetterPseudoElement.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/rendering/RenderObject.h"
 #include "core/rendering/RenderQuote.h"
@@ -34,6 +35,11 @@
 
 namespace blink {
 
+PassRefPtrWillBeRawPtr<PseudoElement> PseudoElement::create(Element* parent, PseudoId pseudoId)
+{
+    return adoptRefWillBeNoop(new PseudoElement(parent, pseudoId));
+}
+
 const QualifiedName& pseudoElementTagName(PseudoId pseudoId)
 {
     switch (pseudoId) {
@@ -49,6 +55,10 @@ const QualifiedName& pseudoElementTagName(PseudoId pseudoId)
         DEFINE_STATIC_LOCAL(QualifiedName, backdrop, (nullAtom, "<pseudo:backdrop>", nullAtom));
         return backdrop;
     }
+    case FIRST_LETTER: {
+        DEFINE_STATIC_LOCAL(QualifiedName, firstLetter, (nullAtom, "<pseudo:first-letter>", nullAtom));
+        return firstLetter;
+    }
     default: {
         ASSERT_NOT_REACHED();
     }
@@ -109,6 +119,7 @@ void PseudoElement::attach(const AttachContext& context)
     RenderObject* renderer = this->renderer();
     if (!renderer)
         return;
+
     RenderStyle* style = renderer->style();
     if (style->styleType() != BEFORE && style->styleType() != AFTER)
         return;
@@ -143,10 +154,6 @@ void PseudoElement::didRecalcStyle(StyleRecalcChange)
         if (!child->isText() && !child->isQuote() && !child->isImage())
             continue;
 
-        // The style for the RenderTextFragment for first letter is managed by an enclosing block, not by us.
-        if (child->style()->styleType() == FIRST_LETTER)
-            continue;
-
         child->setPseudoStyle(renderer->style());
     }
 }