Replaced HTMLIdentifier with an atomized string factory function

Source/core/html/parser/CompactHTMLToken.cpp

Index: Source/core/html/parser/CompactHTMLToken.cpp
diff --git a/Source/core/html/parser/CompactHTMLToken.cpp b/Source/core/html/parser/CompactHTMLToken.cpp
index fd4026bf0409ff3ae02142616dd968e5d1c395b0..4a826e839b3d5c2081f7e010868cb2bd76d510a9 100644
--- a/Source/core/html/parser/CompactHTMLToken.cpp
+++ b/Source/core/html/parser/CompactHTMLToken.cpp
@@ -33,7 +33,7 @@ namespace WebCore {
 
 struct SameSizeAsCompactHTMLToken  {
     unsigned bitfields;
-    HTMLIdentifier data;
+    String data;
     Vector<Attribute> vector;
     TextPosition textPosition;
 };
@@ -51,10 +51,11 @@ CompactHTMLToken::CompactHTMLToken(const HTMLToken* token, const TextPosition& t
         ASSERT_NOT_REACHED();
         break;
     case HTMLToken::DOCTYPE: {
-        m_data = HTMLIdentifier(token->name(), Likely8Bit);
+        m_data = attemptStaticStringCreation(token->name(), Likely8Bit);
+
         // There is only 1 DOCTYPE token per document, so to avoid increasing the
         // size of CompactHTMLToken, we just use the m_attributes vector.
-        m_attributes.append(Attribute(HTMLIdentifier(token->publicIdentifier(), Likely8Bit), String(token->systemIdentifier())));
+        m_attributes.append(Attribute(attemptStaticStringCreation(token->publicIdentifier(), Likely8Bit), String(token->systemIdentifier())));
         m_doctypeForcesQuirks = token->forceQuirks();
         break;
     }
@@ -63,7 +64,7 @@ CompactHTMLToken::CompactHTMLToken(const HTMLToken* token, const TextPosition& t
     case HTMLToken::StartTag:
         m_attributes.reserveInitialCapacity(token->attributes().size());
         for (Vector<HTMLToken::Attribute>::const_iterator it = token->attributes().begin(); it != token->attributes().end(); ++it)
-            m_attributes.append(Attribute(HTMLIdentifier(it->name, Likely8Bit), StringImpl::create8BitIfPossible(it->value)));
+            m_attributes.append(Attribute(attemptStaticStringCreation(it->name, Likely8Bit), StringImpl::create8BitIfPossible(it->value)));
         // Fall through!
     case HTMLToken::EndTag:
         m_selfClosing = token->selfClosing();
@@ -71,7 +72,7 @@ CompactHTMLToken::CompactHTMLToken(const HTMLToken* token, const TextPosition& t
     case HTMLToken::Comment:
     case HTMLToken::Character: {
         m_isAll8BitData = token->isAll8BitData();
-        m_data = HTMLIdentifier(token->data(), token->isAll8BitData() ? Force8Bit : Force16Bit);
+        m_data = attemptStaticStringCreation(token->data(), token->isAll8BitData() ? Force8Bit : Force16Bit);
         break;
     }
     default: