Fix assertions (followup to fix for bug 368369).

content/xul/document/src/nsXULPrototypeDocument.cpp

@@ -637,7 +637,8 @@ nsXULPDGlobalObject::SetScriptContext(PRUint32 lang_id, nsIScriptContext *aScrip
     NS_ENSURE_SUCCESS(rv, rv);
   }
 
-  NS_ASSERTION(!aScriptContext, "Bad call to SetContext()!");
+  NS_ASSERTION(!aScriptContext || !mScriptContexts[lang_ndx],
+               "Bad call to SetContext()!");
 
   void *script_glob = nsnull;
 

dom/src/base/nsGlobalWindow.cpp

@@ -818,7 +818,8 @@ nsGlobalWindow::SetScriptContext(PRUint32 lang_id, nsIScriptContext *aScriptCont
     NS_ENSURE_SUCCESS(rv, rv);
   }
 
-  NS_ASSERTION(!aScriptContext, "Bad call to SetContext()!");
+  NS_ASSERTION(!aScriptContext || !mScriptContexts[lang_ndx],
+               "Bad call to SetContext()!");
 
   void *script_glob = nsnull;