Refactoring XSLT

Source/core/dom/ProcessingInstruction.h

Index: Source/core/dom/ProcessingInstruction.h
diff --git a/Source/core/dom/ProcessingInstruction.h b/Source/core/dom/ProcessingInstruction.h
index ba5e570f3f4e8aac8d362a2d61ecc15af6a9127e..3355ccc276097508ebecc3fe9c69bba53da849ff 100644
--- a/Source/core/dom/ProcessingInstruction.h
+++ b/Source/core/dom/ProcessingInstruction.h
@@ -31,6 +31,7 @@ namespace blink {
 
 class StyleSheet;
 class CSSStyleSheet;
+class EventListener;
 
 class ProcessingInstruction final : public CharacterData, private ResourceOwner<StyleSheetResource> {
     DEFINE_WRAPPERTYPEINFO();
@@ -84,6 +85,8 @@ private:
     bool m_createdByParser;
     bool m_isCSS;
     bool m_isXSL;
+
+    RefPtr<EventListener> m_listenerForXSLT;
 };
 
 DEFINE_NODE_TYPE_CASTS(ProcessingInstruction, nodeType() == Node::PROCESSING_INSTRUCTION_NODE);