applyXSLTransform is too eager

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 2f40ec93de182f21c7a198ea4e902345d98ca8d9..5dd0a2153cb9448e2da3625d0f4f6fdd358e1f89 100644
--- a/Source/core/dom/ProcessingInstruction.h
+++ b/Source/core/dom/ProcessingInstruction.h
@@ -51,6 +51,8 @@ public:
     bool isCSS() const { return m_isCSS; }
     bool isXSL() const { return m_isXSL; }
 
+    bool isLoading() const;
+
 private:
     ProcessingInstruction(Document*, const String& target, const String& data);
 
@@ -69,7 +71,6 @@ private:
     virtual void setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, const CachedCSSStyleSheet*);
     virtual void setXSLStyleSheet(const String& href, const KURL& baseURL, const String& sheet);
 
-    bool isLoading() const;
     virtual bool sheetLoaded();
 
     virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;