Extract a DOMWindow interface from LocalDOMWindow and use it in the idl.

Source/core/xml/XSLTProcessor.cpp

Index: Source/core/xml/XSLTProcessor.cpp
diff --git a/Source/core/xml/XSLTProcessor.cpp b/Source/core/xml/XSLTProcessor.cpp
index d97c01fedf5c2925ba512fe9252a2223f755d040..40df7d23ae4e55f07fc71052f01dc1c4c1ef5ea0 100644
--- a/Source/core/xml/XSLTProcessor.cpp
+++ b/Source/core/xml/XSLTProcessor.cpp
@@ -75,7 +75,7 @@ PassRefPtrWillBeRawPtr<Document> XSLTProcessor::createDocumentFromSource(const S
 
     if (frame) {
         RefPtrWillBeRawPtr<Document> oldDocument = frame->document();
-        result = frame->domWindow()->installNewDocument(sourceMIMEType, init, forceXHTML);
+        result = frame->localDOMWindow()->installNewDocument(sourceMIMEType, init, forceXHTML);
 
         // Before parsing, we need to save & detach the old document and get the new document
         // in place. We have to do this only if we're rendering the result document.