1 files changed, 2 insertions, 8 deletions
diff --git a/dom/base/CustomElementRegistry.cpp b/dom/base/CustomElementRegistry.cpp
index 99452df65..e4d4c0670 100644
--- a/dom/base/CustomElementRegistry.cpp
+++ b/dom/base/CustomElementRegistry.cpp
@@ -11,7 +11,7 @@
 #include "mozilla/dom/HTMLElementBinding.h"
 #include "mozilla/dom/WebComponentsBinding.h"
 #include "mozilla/dom/DocGroup.h"
-#include "nsIParserService.h"
+#include "nsHTMLTags.h"
 #include "jsapi.h"
 
 namespace mozilla {
@@ -588,14 +588,8 @@ CustomElementRegistry::Define(const nsAString& aName,
       return;
     }
 
-    nsIParserService* ps = nsContentUtils::GetParserService();
-    if (!ps) {
-      aRv.Throw(NS_ERROR_UNEXPECTED);
-      return;
-    }
-
     // bgsound and multicol are unknown html element.
-    int32_t tag = ps->HTMLCaseSensitiveAtomTagToId(extendsAtom);
+    int32_t tag = nsHTMLTags::CaseSensitiveAtomTagToId(extendsAtom);
     if (tag == eHTMLTag_userdefined ||
         tag == eHTMLTag_bgsound ||
         tag == eHTMLTag_multicol) {