IDL compiler: remove special case capitalization (cssText, xmllang, xmlbase, xmlspace)

Source/core/css/CSSSupportsRule.cpp

Index: Source/core/css/CSSSupportsRule.cpp
diff --git a/Source/core/css/CSSSupportsRule.cpp b/Source/core/css/CSSSupportsRule.cpp
index 08244c6cf640fadd38705b0f01ee1cd29f8c6d6f..705272cfdb0f641c76d9c23fdaac47a5e8a8bd6d 100644
--- a/Source/core/css/CSSSupportsRule.cpp
+++ b/Source/core/css/CSSSupportsRule.cpp
@@ -47,7 +47,7 @@ String CSSSupportsRule::cssText() const
     result.append("@supports ");
     result.append(conditionText());
     result.append(" {\n");
-    appendCssTextForItems(result);
+    appendCSSTextForItems(result);
     result.append('}');
 
     return result.toString();