diff --git a/content/html/content/src/HTMLMenuElement.cpp b/content/html/content/src/HTMLMenuElement.cpp
index a55cd9c6b94..0c8807281c8 100644
--- a/content/html/content/src/HTMLMenuElement.cpp
+++ b/content/html/content/src/HTMLMenuElement.cpp
@@ -4,6 +4,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "HTMLMenuElement.h"
+#include "mozilla/dom/HTMLMenuElementBinding.h"
 #include "nsXULContextMenuBuilder.h"
 #include "nsEventDispatcher.h"
 #include "HTMLMenuItemElement.h"
@@ -44,6 +45,7 @@ enum SeparatorType
 HTMLMenuElement::HTMLMenuElement(already_AddRefed<nsINodeInfo> aNodeInfo)
   : nsGenericHTMLElement(aNodeInfo), mType(MENU_TYPE_LIST)
 {
+  SetIsDOMBinding();
 }
 
 HTMLMenuElement::~HTMLMenuElement()
@@ -113,6 +115,16 @@ HTMLMenuElement::CreateBuilder(nsIMenuBuilder** _retval)
   return NS_OK;
 }
 
+already_AddRefed<nsIMenuBuilder>
+HTMLMenuElement::CreateBuilder()
+{
+  if (mType != MENU_TYPE_CONTEXT) {
+    return nullptr;
+  }
+
+  nsCOMPtr<nsIMenuBuilder> ret = new nsXULContextMenuBuilder();
+  return ret.forget();
+}
 
 NS_IMETHODIMP
 HTMLMenuElement::Build(nsIMenuBuilder* aBuilder)
@@ -255,5 +267,12 @@ HTMLMenuElement::AddSeparator(nsIMenuBuilder* aBuilder, int8_t& aSeparator)
   aSeparator = ST_TRUE;
 }
 
+JSObject*
+HTMLMenuElement::WrapNode(JSContext* aCx, JSObject* aScope,
+                          bool* aTriedToWrap)
+{
+  return HTMLMenuElementBinding::Wrap(aCx, aScope, this, aTriedToWrap);
+}
+
 } // namespace dom
 } // namespace mozilla
diff --git a/content/html/content/src/HTMLMenuElement.h b/content/html/content/src/HTMLMenuElement.h
index 3f1dbd95407..74f480d35bc 100644
--- a/content/html/content/src/HTMLMenuElement.h
+++ b/content/html/content/src/HTMLMenuElement.h
@@ -54,6 +54,40 @@ public:
 
   uint8_t GetType() const { return mType; }
 
+  // WebIDL
+
+  // The XPCOM GetType is OK for us
+  void SetType(const nsAString& aType, ErrorResult& aError)
+  {
+    SetHTMLAttr(nsGkAtoms::type, aType, aError);
+  }
+
+  // The XPCOM GetLabel is OK for us
+  void SetLabel(const nsAString& aLabel, ErrorResult& aError)
+  {
+    SetHTMLAttr(nsGkAtoms::label, aLabel, aError);
+  }
+
+  bool Compact() const
+  {
+    return GetBoolAttr(nsGkAtoms::compact);
+  }
+  void SetCompact(bool aCompact, ErrorResult& aError)
+  {
+    SetHTMLBoolAttr(nsGkAtoms::compact, aCompact, aError);
+  }
+
+  // The XPCOM SendShowEvent is OK for us
+
+  already_AddRefed<nsIMenuBuilder> CreateBuilder();
+
+  // The XPCOM Build is OK for us
+
+protected:
+  virtual JSObject* WrapNode(JSContext *aCx, JSObject *aScope,
+                             bool *aTriedToWrap) MOZ_OVERRIDE;
+
+
 protected:
   static bool CanLoadIcon(nsIContent* aContent, const nsAString& aIcon);
 
diff --git a/dom/bindings/Bindings.conf b/dom/bindings/Bindings.conf
index 325b44ede0b..c2bc626de3e 100644
--- a/dom/bindings/Bindings.conf
+++ b/dom/bindings/Bindings.conf
@@ -1177,7 +1177,6 @@ def addExternalHTMLElement(element):
                     headerFile=nativeElement + '.h')
 
 addExternalHTMLElement('HTMLFormElement')
-addExternalIface('HTMLMenuElement', nativeType='mozilla::dom::HTMLMenuElement', headerFile='HTMLMenuElement.h')
 addExternalHTMLElement('HTMLOptionElement')
 addExternalHTMLElement('HTMLVideoElement')
 addExternalIface('Attr')
@@ -1194,6 +1193,7 @@ addExternalIface('HTMLCanvasElement', nativeType='mozilla::dom::HTMLCanvasElemen
 addExternalIface('imgINotificationObserver', nativeType='imgINotificationObserver')
 addExternalIface('imgIRequest', nativeType='imgIRequest', notflattened=True)
 addExternalIface('LockedFile')
+addExternalIface('MenuBuilder', nativeType='nsIMenuBuilder', notflattened=True)
 addExternalIface('MozBoxObject', nativeType='nsIBoxObject')
 addExternalIface('MozControllers', nativeType='nsIControllers')
 addExternalIface('MozFrameLoader', nativeType='nsIFrameLoader', notflattened=True)
diff --git a/dom/webidl/HTMLElement.webidl b/dom/webidl/HTMLElement.webidl
index c39c8a9528d..9638b7de7b8 100644
--- a/dom/webidl/HTMLElement.webidl
+++ b/dom/webidl/HTMLElement.webidl
@@ -13,7 +13,6 @@
  */
 
 interface DOMStringMap;
-interface HTMLMenuElement;
 
 // Hack to make sure that we initialize the touch prefs properly
 [PrefControlled]
diff --git a/dom/webidl/HTMLMenuElement.webidl b/dom/webidl/HTMLMenuElement.webidl
new file mode 100644
index 00000000000..5ee2e66e379
--- /dev/null
+++ b/dom/webidl/HTMLMenuElement.webidl
@@ -0,0 +1,59 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * http://www.whatwg.org/specs/web-apps/current-work/#the-menu-element
+ * http://www.whatwg.org/specs/web-apps/current-work/#other-elements,-attributes-and-apis
+ *
+ * © Copyright 2004-2011 Apple Computer, Inc., Mozilla Foundation, and
+ * Opera Software ASA. You are granted a license to use, reproduce
+ * and create derivative works of this document.
+ */
+
+interface MenuBuilder;
+
+// http://www.whatwg.org/specs/web-apps/current-work/#the-menu-element
+interface HTMLMenuElement : HTMLElement {
+           [SetterThrows]
+           attribute DOMString type;
+           [SetterThrows]
+           attribute DOMString label;
+};
+
+// http://www.whatwg.org/specs/web-apps/current-work/#other-elements,-attributes-and-apis
+partial interface HTMLMenuElement {
+           [SetterThrows]
+           attribute boolean compact;
+};
+
+// Mozilla specific stuff
+partial interface HTMLMenuElement {
+  /**
+   * Creates and dispatches a trusted event named "show".
+   * The event is not cancelable and does not bubble.
+   * See http://www.whatwg.org/specs/web-apps/current-work/multipage/interactive-elements.html#context-menus
+   */
+  [ChromeOnly]
+  void sendShowEvent();
+
+  /**
+   * Creates a native menu builder. The builder type is dependent on menu type.
+   * Currently, it returns nsXULContextMenuBuilder for context menus.
+   * Toolbar menus are not yet supported (the method returns null).
+   */
+  [ChromeOnly]
+  MenuBuilder createBuilder();
+
+  /*
+   * Builds a menu by iterating over menu children.
+   * See http://www.whatwg.org/specs/web-apps/current-work/multipage/interactive-elements.html#building-menus-and-toolbars
+   * The caller can use a native builder by calling createBuilder() or provide
+   * a custom builder that implements the nsIMenuBuilder interface.
+   * A custom builder can be used for example to build native context menus
+   * that are not defined using <menupopup>.
+   */
+  [ChromeOnly]
+  void build(MenuBuilder aBuilder);
+};
diff --git a/dom/webidl/WebIDL.mk b/dom/webidl/WebIDL.mk
index 76a7458133e..500989981ad 100644
--- a/dom/webidl/WebIDL.mk
+++ b/dom/webidl/WebIDL.mk
@@ -83,6 +83,7 @@ webidl_files = \
   HTMLLIElement.webidl \
   HTMLLinkElement.webidl \
   HTMLMapElement.webidl \
+  HTMLMenuElement.webidl \
   HTMLMenuItemElement.webidl \
   HTMLMetaElement.webidl \
   HTMLMeterElement.webidl \