Landing fix for bug 239202, patch by trev@gtchat.de. Making nsIScriptGlobalObjectOwner not scriptable. r+sr=jst@mozilla.org

content/base/src/nsDocumentViewer.cpp

@@ -57,7 +57,6 @@
 #include "nsICSSStyleSheet.h"
 #include "nsIFrame.h"
 
-#include "nsIScriptGlobalObjectOwner.h"
 #include "nsIScriptGlobalObject.h"
 #include "nsILinkHandler.h"
 #include "nsIDOMDocument.h"

content/base/src/nsPrintEngine.cpp

@@ -117,8 +117,6 @@ static const char kPrintingPromptService[] = "@mozilla.org/embedcomp/printingpro
 #include "nsISupportsUtils.h"
 #include "nsIFrame.h"
 #include "nsIScriptContext.h"
-#include "nsIScriptGlobalObjectOwner.h"
-#include "nsIScriptGlobalObject.h"
 #include "nsILinkHandler.h"
 #include "nsIDOMDocument.h"
 #include "nsISelectionListener.h"

content/html/document/src/nsHTMLContentSink.cpp

@@ -2027,7 +2027,7 @@ IsScriptEnabled(nsIDocument *aDoc, nsIDocShell *aContainer)
     nsCOMPtr<nsIScriptGlobalObjectOwner> owner = do_GetInterface(aContainer);
     NS_ENSURE_TRUE(owner, PR_TRUE);
 
-    owner->GetScriptGlobalObject(getter_AddRefs(globalObject));
+    globalObject = owner->GetScriptGlobalObject();
     NS_ENSURE_TRUE(globalObject, PR_TRUE);
   }
 

content/xbl/src/nsBindingManager.cpp

@@ -82,7 +82,6 @@
 #include "nsIDOMScriptObjectFactory.h"
 #include "nsIPrincipal.h"
 #include "nsIScriptGlobalObject.h"
-#include "nsIScriptGlobalObjectOwner.h"
 #include "nsIScriptObjectPrincipal.h"
 #include "nsIConsoleService.h"
 #include "nsIScriptError.h"

content/xbl/src/nsXBLBinding.cpp

@@ -70,7 +70,6 @@
 #include "nsXBLService.h"
 #include "nsXBLInsertionPoint.h"
 #include "nsIXPConnect.h"
-#include "nsIScriptGlobalObjectOwner.h"
 #include "nsIScriptContext.h"
 #include "nsCRT.h"
 

content/xbl/src/nsXBLDocumentInfo.cpp

@@ -40,6 +40,7 @@
 #include "nsIDocument.h"
 #include "nsXBLPrototypeBinding.h"
 #include "nsIScriptObjectPrincipal.h"
+#include "nsIScriptGlobalObject.h"
 #include "nsIScriptContext.h"
 #include "nsIDOMScriptObjectFactory.h"
 #include "jsapi.h"
@@ -424,38 +425,20 @@ nsXBLDocumentInfo::FlushSkinStylesheets()
 // nsIScriptGlobalObjectOwner methods
 //
 
-NS_IMETHODIMP
-nsXBLDocumentInfo::GetScriptGlobalObject(nsIScriptGlobalObject** _result)
+nsIScriptGlobalObject*
+nsXBLDocumentInfo::GetScriptGlobalObject()
 {
   if (!mGlobalObject) {
     
     mGlobalObject = new nsXBLDocGlobalObject();
     
-    if (!mGlobalObject) {
-      *_result = nsnull;
-      return NS_ERROR_OUT_OF_MEMORY;
-    }
-   
+    if (!mGlobalObject)
+      return nsnull;
+
     mGlobalObject->SetGlobalObjectOwner(this); // does not refcount
   }
 
-  *_result = mGlobalObject;
-  NS_ADDREF(*_result);
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-nsXBLDocumentInfo::ReportScriptError(nsIScriptError *errorObject)
-{
-  if (errorObject == nsnull)
-    return NS_ERROR_NULL_POINTER;
-
-  // Get the console service, where we're going to register the error.
-  nsCOMPtr<nsIConsoleService> consoleService  (do_GetService("@mozilla.org/consoleservice;1"));
-
-  if (!consoleService)
-    return NS_ERROR_NOT_AVAILABLE;
-  return consoleService->LogMessage(errorObject);
+  return mGlobalObject;
 }
 
 nsresult NS_NewXBLDocumentInfo(nsIDocument* aDocument, nsIXBLDocumentInfo** aResult)
@@ -470,4 +453,3 @@ nsresult NS_NewXBLDocumentInfo(nsIDocument* aDocument, nsIXBLDocumentInfo** aRes
   NS_ADDREF(*aResult);
   return NS_OK;
 }
-

content/xbl/src/nsXBLDocumentInfo.h

@@ -64,7 +64,7 @@ public:
   NS_IMETHOD FlushSkinStylesheets();
 
   // nsIScriptGlobalObjectOwner methods
-  NS_DECL_NSISCRIPTGLOBALOBJECTOWNER
+  virtual nsIScriptGlobalObject* GetScriptGlobalObject();
 
 private:
   nsCOMPtr<nsIDocument> mDocument;

content/xbl/src/nsXBLProtoImpl.cpp

@@ -145,8 +145,8 @@ nsXBLProtoImpl::CompilePrototypeMembers(nsXBLPrototypeBinding* aBinding)
   // context.
   nsCOMPtr<nsIScriptGlobalObjectOwner> globalOwner(
       do_QueryInterface(aBinding->XBLDocumentInfo()));
-  nsCOMPtr<nsIScriptGlobalObject> globalObject;
-  globalOwner->GetScriptGlobalObject(getter_AddRefs(globalObject));
+  nsIScriptGlobalObject* globalObject = globalOwner->GetScriptGlobalObject();
+  NS_ENSURE_TRUE(globalObject, NS_ERROR_UNEXPECTED);
 
   nsIScriptContext *context = globalObject->GetContext();
 

content/xml/document/src/nsXMLDocument.cpp

@@ -630,11 +630,11 @@ nsXMLDocument::EndLoad()
     nsEventStatus status = nsEventStatus_eIgnore;
     nsEvent event(NS_PAGE_LOAD);
 
-    nsCOMPtr<nsIScriptGlobalObject> sgo;
+    nsIScriptGlobalObject* sgo = nsnull;
     nsCOMPtr<nsIScriptGlobalObjectOwner> container =
       do_QueryReferent(mDocumentContainer);
     if (container) {
-      container->GetScriptGlobalObject(getter_AddRefs(sgo));
+      sgo = container->GetScriptGlobalObject();
     }
 
     nsCxPusher pusher(sgo);

content/xul/content/src/nsXULElement.cpp

@@ -1482,8 +1482,7 @@ nsXULElement::CompileEventHandler(nsIScriptContext* aContext,
 
         nsCOMPtr<nsIScriptGlobalObjectOwner> globalOwner =
             do_QueryInterface(protodoc);
-        nsCOMPtr<nsIScriptGlobalObject> global;
-        globalOwner->GetScriptGlobalObject(getter_AddRefs(global));
+        nsIScriptGlobalObject* global = globalOwner->GetScriptGlobalObject();
         NS_ENSURE_TRUE(global, NS_ERROR_UNEXPECTED);
 
         context = global->GetContext();
@@ -4656,10 +4655,9 @@ nsXULPrototypeScript::Compile(const PRUnichar* aText,
     nsIScriptContext *context = nsnull;
 
     {
-        nsCOMPtr<nsIScriptGlobalObjectOwner> globalOwner
-          = do_QueryInterface(aPrototypeDocument);
-        nsCOMPtr<nsIScriptGlobalObject> global;
-        globalOwner->GetScriptGlobalObject(getter_AddRefs(global));
+        nsCOMPtr<nsIScriptGlobalObjectOwner> globalOwner =
+            do_QueryInterface(aPrototypeDocument);
+        nsIScriptGlobalObject* global = globalOwner->GetScriptGlobalObject();
         NS_ASSERTION(global != nsnull, "prototype doc has no script global");
         if (! global)
             return NS_ERROR_UNEXPECTED;

content/xul/document/src/nsXULContentSink.cpp

@@ -71,7 +71,6 @@
 #include "nsIPresShell.h"
 #include "nsIScriptContext.h"
 #include "nsIScriptGlobalObject.h"
-#include "nsIScriptGlobalObjectOwner.h"
 #include "nsIServiceManager.h"
 #include "nsITextContent.h"
 #include "nsIURL.h"

content/xul/document/src/nsXULDocument.cpp

@@ -3234,10 +3234,10 @@ nsXULDocument::OnStreamComplete(nsIStreamLoader* aLoader,
                 // Ignore the return value, as we don't need to propagate
                 // a failure to write to the FastLoad file, because this
                 // method aborts that whole process on error.
-                nsCOMPtr<nsIScriptGlobalObjectOwner> globalOwner
-                  = do_QueryInterface(mCurrentPrototype);
-                nsCOMPtr<nsIScriptGlobalObject> global;
-                globalOwner->GetScriptGlobalObject(getter_AddRefs(global));
+                nsCOMPtr<nsIScriptGlobalObjectOwner> globalOwner =
+                  do_QueryInterface(mCurrentPrototype);
+                nsIScriptGlobalObject* global = 
+                  globalOwner->GetScriptGlobalObject();
 
                 NS_ASSERTION(global != nsnull, "master prototype w/o global?!");
                 if (global) {

content/xul/document/src/nsXULPrototypeDocument.cpp

@@ -157,7 +157,7 @@ public:
     virtual nsNodeInfoManager *GetNodeInfoManager();
 
     // nsIScriptGlobalObjectOwner methods
-    NS_DECL_NSISCRIPTGLOBALOBJECTOWNER
+    virtual nsIScriptGlobalObject* GetScriptGlobalObject();
 
     NS_DEFINE_STATIC_CID_ACCESSOR(NS_XULPROTOTYPEDOCUMENT_CID);
 
@@ -540,8 +540,8 @@ nsXULPrototypeDocument::Write(nsIObjectOutputStream* aStream)
     }
 
     // Now serialize the document contents
-    nsCOMPtr<nsIScriptGlobalObject> globalObject;
-    rv |= GetScriptGlobalObject(getter_AddRefs(globalObject));
+    nsIScriptGlobalObject* globalObject = GetScriptGlobalObject();
+    NS_ENSURE_TRUE(globalObject, NS_ERROR_UNEXPECTED);
 
     nsIScriptContext *scriptContext = globalObject->GetContext();
 
@@ -764,39 +764,13 @@ nsXULPrototypeDocument::NotifyLoadDone()
 // nsIScriptGlobalObjectOwner methods
 //
 
-NS_IMETHODIMP
-nsXULPrototypeDocument::GetScriptGlobalObject(nsIScriptGlobalObject** _result)
+nsIScriptGlobalObject*
+nsXULPrototypeDocument::GetScriptGlobalObject()
 {
-    nsresult rv = NS_OK;
     if (!mGlobalObject)
-         rv = NewXULPDGlobalObject(getter_AddRefs(mGlobalObject));
-    *_result = mGlobalObject;
-    NS_IF_ADDREF(*_result);
-    return rv;
-}
+        NewXULPDGlobalObject(getter_AddRefs(mGlobalObject));
 
-NS_IMETHODIMP
-nsXULPrototypeDocument::ReportScriptError(nsIScriptError *errorObject)
-{
-   nsresult rv;
-
-   if (errorObject == nsnull)
-      return NS_ERROR_NULL_POINTER;
-
-   // Get the console service, where we're going to register the error.
-   nsCOMPtr<nsIConsoleService> consoleService
-      (do_GetService("@mozilla.org/consoleservice;1"));
-
-   if (consoleService != nsnull) {
-       rv = consoleService->LogMessage(errorObject);
-       if (NS_SUCCEEDED(rv)) {
-           return NS_OK;
-       } else {
-           return rv;
-       }
-   } else {
-       return NS_ERROR_NOT_AVAILABLE;
-   }
+    return mGlobalObject;
 }
 
 //----------------------------------------------------------------------

docshell/base/nsCDocShell.idl

@@ -43,7 +43,6 @@
 #include "nsIBaseWindow.idl"
 #include "nsIScrollable.idl"
 #include "nsITextScroll.idl"
-#include "nsIScriptGlobalObjectOwner.idl"
 
 /*
 nsCHTMLDocShell implements:
@@ -54,11 +53,10 @@ nsIDocShellTreeNode
 nsIBaseWindow
 nsIScrollable
 nsITextScroll
-nsIScriptGlobalObjectOwner
 */
 
 %{ C++
-//	{F1EAC762-87E9-11d3-AF80-00A024FFC08C} - 
+//  {F1EAC762-87E9-11d3-AF80-00A024FFC08C} - 
 #define NS_DOCSHELL_CID \
 { 0xf1eac762, 0x87e9, 0x11d3, { 0xaf, 0x80, 0x00, 0xa0, 0x24, 0xff, 0xc0, 0x8c } }
 #define NS_DOCSHELL_CONTRACTID \

docshell/base/nsDocShell.cpp

@@ -3835,45 +3835,16 @@ nsDocShell::ScrollByPages(PRInt32 numPages)
 // nsDocShell::nsIScriptGlobalObjectOwner
 //*****************************************************************************   
 
-NS_IMETHODIMP
-nsDocShell::GetScriptGlobalObject(nsIScriptGlobalObject ** aGlobal)
+nsIScriptGlobalObject*
+nsDocShell::GetScriptGlobalObject()
 {
     if (mIsBeingDestroyed) {
-        return NS_ERROR_NOT_AVAILABLE;
+        return nsnull;
     }
 
-    NS_ENSURE_ARG_POINTER(aGlobal);
-    NS_ENSURE_SUCCESS(EnsureScriptEnvironment(), NS_ERROR_FAILURE);
+    NS_ENSURE_SUCCESS(EnsureScriptEnvironment(), nsnull);
 
-    *aGlobal = mScriptGlobal;
-    NS_IF_ADDREF(*aGlobal);
-    return NS_OK;
-}
-
-NS_IMETHODIMP
-nsDocShell::ReportScriptError(nsIScriptError * errorObject)
-{
-    nsresult rv;
-
-    if (errorObject == nsnull)
-        return NS_ERROR_NULL_POINTER;
-
-    // Get the console service, where we're going to register the error.
-    nsCOMPtr<nsIConsoleService> consoleService
-        (do_GetService("@mozilla.org/consoleservice;1"));
-
-    if (consoleService != nsnull) {
-        rv = consoleService->LogMessage(errorObject);
-        if (NS_SUCCEEDED(rv)) {
-            return NS_OK;
-        }
-        else {
-            return rv;
-        }
-    }
-    else {
-        return NS_ERROR_NOT_AVAILABLE;
-    }
+    return mScriptGlobal;
 }
 
 //*****************************************************************************
@@ -6957,9 +6928,9 @@ NS_IMETHODIMP nsDocShell::EnsureFind()
     // we promise that the nsIWebBrowserFind that we return has been set
     // up to point to the focussed, or content window, so we have to
     // set that up each time.
-    nsCOMPtr<nsIScriptGlobalObject> scriptGO;
-    rv = GetScriptGlobalObject(getter_AddRefs(scriptGO));
-    if (NS_FAILED(rv)) return rv;
+
+    nsIScriptGlobalObject* scriptGO = GetScriptGlobalObject();
+    NS_ENSURE_TRUE(scriptGO, NS_ERROR_UNEXPECTED);
 
     // default to our window
     nsCOMPtr<nsIDOMWindow> rootWindow = do_QueryInterface(scriptGO);

docshell/base/nsDocShell.h

@@ -214,7 +214,6 @@ public:
     NS_DECL_NSITEXTSCROLL
     NS_DECL_NSIDOCCHARSET
     NS_DECL_NSIINTERFACEREQUESTOR
-    NS_DECL_NSISCRIPTGLOBALOBJECTOWNER
     NS_DECL_NSIWEBPROGRESSLISTENER
     NS_DECL_NSIREFRESHURI
     NS_DECL_NSICONTENTVIEWERCONTAINER
@@ -226,6 +225,8 @@ public:
     nsDocShellInfoLoadType ConvertLoadTypeToDocShellLoadInfo(PRUint32 aLoadType);
     PRUint32 ConvertDocShellLoadInfoToLoadType(nsDocShellInfoLoadType aDocShellLoadType);
 
+    // nsIScriptGlobalObjectOwner methods
+    virtual nsIScriptGlobalObject* GetScriptGlobalObject();
 protected:
     // Object Management
     virtual ~nsDocShell();

dom/public/Makefile.in

@@ -48,7 +48,6 @@ GRE_MODULE	= 1
 DIRS		= idl coreEvents base
 
 XPIDLSRCS	= nsIScriptContextOwner.idl \
-		  nsIScriptGlobalObjectOwner.idl \
 		  nsIEntropyCollector.idl \
 		  $(NULL)
 
@@ -57,6 +56,7 @@ EXPORTS=nsIScriptContext.h		\
 	nsIScriptObjectOwner.h		\
 	nsIScriptObjectPrincipal.h	\
 	nsIScriptGlobalObject.h		\
+	nsIScriptGlobalObjectOwner.h	\
 	nsIDOMScriptObjectFactory.h	\
 	nsDOMCID.h			\
 	nsIScriptExternalNameSet.h	\

dom/public/nsIScriptGlobalObjectOwner.h

@@ -1,6 +1,5 @@
-/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * ***** BEGIN LICENSE BLOCK *****
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
@@ -13,11 +12,11 @@
  * for the specific language governing rights and limitations under the
  * License.
  *
- * The Original Code is the Mozilla browser.
+ * The Original Code is mozilla.org code.
  *
  * The Initial Developer of the Original Code is
- * Netscape Communications, Inc.
- * Portions created by the Initial Developer are Copyright (C) 1999
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-1999
  * the Initial Developer. All Rights Reserved.
  *
  * Contributor(s):
@@ -37,34 +36,31 @@
  *
  * ***** END LICENSE BLOCK ***** */
 
-#include "nsISupports.idl"
+#ifndef nsIScriptGlobalObjectOwner_h__
+#define nsIScriptGlobalObjectOwner_h__
 
-%{ C++
-#include "nscore.h"
-#include "nsIScriptGlobalObject.h"
-%}
+#include "nsISupports.h"
+
+class nsIScriptGlobalObject;
+
+#define NS_ISCRIPTGLOBALOBJECTOWNER_IID \
+  {0xfd25ca8e, 0x6b63, 0x435f, \
+    { 0xb8, 0xc6, 0xb8, 0x07, 0x68, 0xa4, 0x0a, 0xdc }}
 
 /**
  * Implemented by any object capable of supplying a nsIScriptGlobalObject.
- * The implentor may create the script global object on demand and is
- * allowed (though not expected) to throw it away on release.
+ * The implentor may create the script global object on demand.
  */
 
-interface nsIScriptGlobalObject;
-interface nsIScriptError;
-
-[scriptable, uuid(413E8400-A87F-11d3-AFC6-00A024FFC08C)]
-interface nsIScriptGlobalObjectOwner : nsISupports
+class nsIScriptGlobalObjectOwner : public nsISupports
 {
+public:
+  NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISCRIPTGLOBALOBJECTOWNER_IID)
+
   /**
    * Returns the script global object
    */
-  nsIScriptGlobalObject getScriptGlobalObject();
-
-  /**
-   * Error notification method. Informs the owner that an error 
-   * occurred while a script was being evaluted.
-   *
-   */
-  void reportScriptError(in nsIScriptError aError);
+  virtual nsIScriptGlobalObject* GetScriptGlobalObject() = 0;
 };
+
+#endif /* nsIScriptGlobalObjectOwner_h__ */

dom/src/base/nsJSEnvironment.cpp

@@ -38,7 +38,6 @@
 #include "nsJSEnvironment.h"
 #include "nsIScriptContextOwner.h"
 #include "nsIScriptGlobalObject.h"
-#include "nsIScriptGlobalObjectOwner.h"
 #include "nsIScriptObjectPrincipal.h"
 #include "nsIDOMWindowInternal.h"
 #include "nsIDOMNode.h"
@@ -238,18 +237,10 @@ NS_ScriptErrorReporter(JSContext *cx,
           }
 
           if (NS_SUCCEEDED(rv)) {
-            nsIScriptGlobalObjectOwner *owner =
-              globalObject->GetGlobalObjectOwner();
-            if (owner) {
-                owner->ReportScriptError(errorObject);
-            } else {
-              // We lack an owner to report this error to, so let's just
-              // report it to the console service so as to not lose it.
-              nsCOMPtr<nsIConsoleService> consoleService =
-                do_GetService(NS_CONSOLESERVICE_CONTRACTID, &rv);
-              if (NS_SUCCEEDED(rv)) {
-                consoleService->LogMessage(errorObject);
-              }
+            nsCOMPtr<nsIConsoleService> consoleService =
+              do_GetService(NS_CONSOLESERVICE_CONTRACTID, &rv);
+            if (NS_SUCCEEDED(rv)) {
+              consoleService->LogMessage(errorObject);
             }
           }
         }

dom/src/jsurl/nsJSProtocolHandler.cpp

@@ -167,13 +167,12 @@ nsresult nsJSThunk::EvaluateScript(nsIChannel *aChannel)
     }
 
     // So far so good: get the script context from its owner.
-    nsCOMPtr<nsIScriptGlobalObject> global;
-    rv = globalOwner->GetScriptGlobalObject(getter_AddRefs(global));
+    nsIScriptGlobalObject* global = globalOwner->GetScriptGlobalObject();
 
-    NS_ASSERTION(NS_SUCCEEDED(rv) && global,
+    NS_ASSERTION(global,
                  "Unable to get an nsIScriptGlobalObject from the "
                  "ScriptGlobalObjectOwner!");
-    if (NS_FAILED(rv) || !global) {
+    if (!global) {
         return NS_ERROR_FAILURE;
     }
 

layout/base/nsDocumentViewer.cpp

@@ -57,7 +57,6 @@
 #include "nsICSSStyleSheet.h"
 #include "nsIFrame.h"
 
-#include "nsIScriptGlobalObjectOwner.h"
 #include "nsIScriptGlobalObject.h"
 #include "nsILinkHandler.h"
 #include "nsIDOMDocument.h"

layout/printing/nsPrintEngine.cpp

@@ -117,8 +117,6 @@ static const char kPrintingPromptService[] = "@mozilla.org/embedcomp/printingpro
 #include "nsISupportsUtils.h"
 #include "nsIFrame.h"
 #include "nsIScriptContext.h"
-#include "nsIScriptGlobalObjectOwner.h"
-#include "nsIScriptGlobalObject.h"
 #include "nsILinkHandler.h"
 #include "nsIDOMDocument.h"
 #include "nsISelectionListener.h"

xpfe/appshell/src/nsWebShellWindow.cpp

@@ -1075,8 +1075,7 @@ nsWebShellWindow::ConvertWebShellToDOMWindow(nsIWebShell* aShell, nsIDOMWindowIn
   nsCOMPtr<nsIScriptGlobalObjectOwner> globalObjectOwner(do_QueryInterface(aShell));
   NS_ENSURE_TRUE(globalObjectOwner, NS_ERROR_FAILURE);
 
-  nsCOMPtr<nsIScriptGlobalObject> globalObject;
-  globalObjectOwner->GetScriptGlobalObject(getter_AddRefs(globalObject));
+  nsIScriptGlobalObject* globalObject = globalObjectOwner->GetScriptGlobalObject();
   NS_ENSURE_TRUE(globalObject, NS_ERROR_FAILURE);
 
   nsCOMPtr<nsIDOMWindowInternal> newDOMWindow(do_QueryInterface(globalObject));

xpinstall/src/nsInstallTrigger.cpp

@@ -196,12 +196,12 @@ nsInstallTrigger::HandleContent(const char * aContentType,
 
 
     // Get the global object of the target window for StartSoftwareUpdate
-    nsCOMPtr<nsIScriptGlobalObject> globalObject;
+    nsIScriptGlobalObject* globalObject = nsnull;
     nsCOMPtr<nsIScriptGlobalObjectOwner> globalObjectOwner = 
                                          do_QueryInterface(aWindowContext);
     if ( globalObjectOwner )
     {
-        globalObjectOwner->GetScriptGlobalObject(getter_AddRefs(globalObject));
+        globalObject = globalObjectOwner->GetScriptGlobalObject();
     }
     if ( !globalObject )
         return NS_ERROR_INVALID_ARG;