Fixing bug 397791. Prevent document principals from ever changing, and make us not use XOWs for same origin document objects. r=jonas@sickin.cc, sr=bzbarsky@mit.edu

content/xml/document/src/nsXMLDocument.h

@@ -95,14 +95,8 @@ public:
 
   virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
 
-  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED_NO_UNLINK(nsXMLDocument, nsDocument)
-
   void SetLoadedAsData(PRBool aLoadedAsData) { mLoadedAsData = aLoadedAsData; }
 protected:
-  virtual nsresult GetLoadGroup(nsILoadGroup **aLoadGroup);
-
-  nsCOMPtr<nsIScriptContext> mScriptContext;
-
   // mChannelIsPending indicates whether we're currently asynchronously loading
   // data from mChannel (via document.load() or normal load).  It's set to true
   // when we first find out about the channel (StartDocumentLoad) and set to
@@ -110,7 +104,6 @@ protected:
   // mChannel is also cancelled.  Note that if this member is true, mChannel
   // cannot be null.
   PRPackedBool mChannelIsPending;
-  PRPackedBool mCrossSiteAccessEnabled;
   PRPackedBool mLoadedAsInteractiveData;
   PRPackedBool mAsync;
   PRPackedBool mLoopingForSyncLoad;