Revert 78101 - Merge r76728, crbug 68263

WebCore/xml/XSLStyleSheetQt.cpp

Index: WebCore/xml/XSLStyleSheetQt.cpp
===================================================================
--- WebCore/xml/XSLStyleSheetQt.cpp	(revision 78365)
+++ WebCore/xml/XSLStyleSheetQt.cpp	(working copy)
@@ -35,6 +35,7 @@
 
 XSLStyleSheet::XSLStyleSheet(Node* parentNode, const String& originalURL, const KURL& finalURL,  bool embedded)
     : StyleSheet(parentNode, originalURL, finalURL)
+    , m_ownerDocument(parentNode->document())
     , m_embedded(embedded)
 {
 }
@@ -62,10 +63,9 @@
 
 CachedResourceLoader* XSLStyleSheet::cachedResourceLoader()
 {
-    Document* document = ownerDocument();
-    if (!document)
+    if (!m_ownerDocument)
         return 0;
-    return document->cachedResourceLoader();
+    return m_ownerDocument->cachedResourceLoader();
 }
 
 bool XSLStyleSheet::parseString(const String& string, bool)
@@ -88,12 +88,6 @@
     notImplemented();
 }
 
-Document* XSLStyleSheet::ownerDocument()
-{
-    Node* node = ownerNode();
-    return node ? node->document() : 0;
-}
-
 void XSLStyleSheet::setParentStyleSheet(XSLStyleSheet*)
 {
     notImplemented();