5 files changed, 2 insertions, 44 deletions
diff --git a/dom/html/HTMLDetailsElement.cpp b/dom/html/HTMLDetailsElement.cpp
index ed20b50ca..8619b1450 100644
--- a/dom/html/HTMLDetailsElement.cpp
+++ b/dom/html/HTMLDetailsElement.cpp
@@ -6,39 +6,11 @@
 #include "mozilla/dom/HTMLDetailsElement.h"
 
 #include "mozilla/dom/HTMLDetailsElementBinding.h"
-#include "mozilla/dom/HTMLUnknownElement.h"
-#include "mozilla/Preferences.h"
-
-// Expand NS_IMPL_NS_NEW_HTML_ELEMENT(Details) to add pref check.
-nsGenericHTMLElement*
-NS_NewHTMLDetailsElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
-                         mozilla::dom::FromParser aFromParser)
-{
-  if (!mozilla::dom::HTMLDetailsElement::IsDetailsEnabled()) {
-    return new mozilla::dom::HTMLUnknownElement(aNodeInfo);
-  }
-
-  return new mozilla::dom::HTMLDetailsElement(aNodeInfo);
-}
+NS_IMPL_NS_NEW_HTML_ELEMENT(Details)
 
 namespace mozilla {
 namespace dom {
 
-/* static */ bool
-HTMLDetailsElement::IsDetailsEnabled()
-{
-  static bool isDetailsEnabled = false;
-  static bool added = false;
-
-  if (!added) {
-    Preferences::AddBoolVarCache(&isDetailsEnabled,
-                                 "dom.details_element.enabled");
-    added = true;
-  }
-
-  return isDetailsEnabled;
-}
-
 HTMLDetailsElement::~HTMLDetailsElement()
 {
 }
diff --git a/dom/html/HTMLDetailsElement.h b/dom/html/HTMLDetailsElement.h
index 5a3af27b4..6adf567bf 100644
--- a/dom/html/HTMLDetailsElement.h
+++ b/dom/html/HTMLDetailsElement.h
@@ -23,8 +23,6 @@ class HTMLDetailsElement final : public nsGenericHTMLElement
 public:
   using NodeInfo = mozilla::dom::NodeInfo;
 
-  static bool IsDetailsEnabled();
-
   explicit HTMLDetailsElement(already_AddRefed<NodeInfo>& aNodeInfo)
     : nsGenericHTMLElement(aNodeInfo)
   {
diff --git a/dom/html/HTMLSummaryElement.cpp b/dom/html/HTMLSummaryElement.cpp
index ee3c07b20..42ead6b87 100644
--- a/dom/html/HTMLSummaryElement.cpp
+++ b/dom/html/HTMLSummaryElement.cpp
@@ -14,17 +14,7 @@
 #include "mozilla/TextEvents.h"
 #include "nsFocusManager.h"
 
-// Expand NS_IMPL_NS_NEW_HTML_ELEMENT(Summary) to add pref check.
-nsGenericHTMLElement*
-NS_NewHTMLSummaryElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
-                         mozilla::dom::FromParser aFromParser)
-{
-  if (!mozilla::dom::HTMLDetailsElement::IsDetailsEnabled()) {
-    return new mozilla::dom::HTMLUnknownElement(aNodeInfo);
-  }
-
-  return new mozilla::dom::HTMLSummaryElement(aNodeInfo);
-}
+NS_IMPL_NS_NEW_HTML_ELEMENT(Summary)
 
 namespace mozilla {
 namespace dom {
diff --git a/dom/webidl/EventHandler.webidl b/dom/webidl/EventHandler.webidl
index b92e3a2bb..484a8e95c 100644
--- a/dom/webidl/EventHandler.webidl
+++ b/dom/webidl/EventHandler.webidl
@@ -94,7 +94,6 @@ interface GlobalEventHandlers {
            [Pref="dom.select_events.enabled"]
            attribute EventHandler onselectstart;
 
-           [Pref="dom.details_element.enabled"]
            attribute EventHandler ontoggle;
 
            // Pointer events handlers
diff --git a/dom/webidl/HTMLDetailsElement.webidl b/dom/webidl/HTMLDetailsElement.webidl
index 133ecf125..104606eb1 100644
--- a/dom/webidl/HTMLDetailsElement.webidl
+++ b/dom/webidl/HTMLDetailsElement.webidl
@@ -11,7 +11,6 @@
  * and create derivative works of this document.
  */
 
-[Pref="dom.details_element.enabled"]
 interface HTMLDetailsElement : HTMLElement {
   [SetterThrows]
   attribute boolean open;