Bug 857102 part 5 - Make NS_NewDocumentFragment etc. infallible; r=bz

parser/html/nsParserUtils.cpp

@@ -35,9 +35,12 @@
 #include "nsAutoPtr.h"
 #include "nsTreeSanitizer.h"
 #include "nsHtml5Module.h"
+#include "mozilla/dom/DocumentFragment.h"
 
 #define XHTML_DIV_TAG "div xmlns=\"http://www.w3.org/1999/xhtml\""
 
+using namespace mozilla::dom;
+
 NS_IMPL_ISUPPORTS2(nsParserUtils,
                    nsIScriptableUnescapeHTML,
                    nsIParserUtils)
@@ -192,8 +195,7 @@ nsParserUtils::ParseFragment(const nsAString& aFragment,
                                           aReturn);
     fragment = do_QueryInterface(*aReturn);
   } else {
-    NS_NewDocumentFragment(aReturn,
-                           document->NodeInfoManager());
+    NS_ADDREF(*aReturn = new DocumentFragment(document->NodeInfoManager()));
     fragment = do_QueryInterface(*aReturn);
     rv = nsContentUtils::ParseFragmentHTML(aFragment,
                                            fragment,