Remove all uses of the ASCIILiteral class.

Source/wtf/text/StringOperators.h

Index: Source/wtf/text/StringOperators.h
diff --git a/Source/wtf/text/StringOperators.h b/Source/wtf/text/StringOperators.h
index a9887db154046a743ec014419fe5493cbe12a893..0a8ee93e3d8f5783c6e122b87eccabe340abfdb0 100644
--- a/Source/wtf/text/StringOperators.h
+++ b/Source/wtf/text/StringOperators.h
@@ -131,22 +131,6 @@ inline StringAppend<const UChar*, StringAppend<U, V> > operator+(const UChar* st
     return StringAppend<const UChar*, StringAppend<U, V> >(string1, string2);
 }
 
-inline StringAppend<ASCIILiteral, String> operator+(const ASCIILiteral& string1, const String& string2)
-{
-    return StringAppend<ASCIILiteral, String>(string1, string2);
-}
-
-inline StringAppend<ASCIILiteral, AtomicString> operator+(const ASCIILiteral& string1, const AtomicString& string2)
-{
-    return StringAppend<ASCIILiteral, AtomicString>(string1, string2);
-}
-
-template<typename U, typename V>
-inline StringAppend<ASCIILiteral, StringAppend<U, V> > operator+(const ASCIILiteral& string1, const StringAppend<U, V>& string2)
-{
-    return StringAppend<ASCIILiteral, StringAppend<U, V> >(string1, string2);
-}
-
 template<typename T>
 StringAppend<String, T> operator+(const String& string1, T string2)
 {