diff -r 000000000000 -r 6474c204b198 dom/gamepad/GamepadButton.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/gamepad/GamepadButton.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,68 @@
+/* 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/. */
+
+#ifndef mozilla_dom_gamepad_GamepadButton_h
+#define mozilla_dom_gamepad_GamepadButton_h
+
+#include <stdint.h>
+#include "nsCOMPtr.h"
+#include "nsWrapperCache.h"
+
+namespace mozilla {
+namespace dom {
+
+class GamepadButton : public nsISupports,
+                      public nsWrapperCache
+{
+public:
+  GamepadButton(nsISupports* aParent) : mParent(aParent),
+                                        mPressed(false),
+                                        mValue(0)
+  {
+    SetIsDOMBinding();
+  }
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(GamepadButton)
+
+  nsISupports* GetParentObject() const
+  {
+    return mParent;
+  }
+
+  virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  void SetPressed(bool aPressed)
+  {
+    mPressed = aPressed;
+  }
+
+  void SetValue(double aValue)
+  {
+    mValue = aValue;
+  }
+
+  bool Pressed() const
+  {
+    return mPressed;
+  }
+
+  double Value() const
+  {
+    return mValue;
+  }
+
+private:
+  virtual ~GamepadButton() {}
+
+protected:
+  nsCOMPtr<nsISupports> mParent;
+  bool mPressed;
+  double mValue;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_gamepad_GamepadButton_h