Share Gamepad and WebKitGamepad implementation

Source/modules/gamepad/NavigatorGamepad.h

Index: Source/modules/gamepad/NavigatorGamepad.h
diff --git a/Source/modules/gamepad/NavigatorGamepad.h b/Source/modules/gamepad/NavigatorGamepad.h
index 9144eccf53048671e56e53ac650fc3703c94bf27..eb68daed715d47a6eb3aae9174925fe4502b25aa 100644
--- a/Source/modules/gamepad/NavigatorGamepad.h
+++ b/Source/modules/gamepad/NavigatorGamepad.h
@@ -28,6 +28,7 @@
 
 #include "heap/Handle.h"
 #include "platform/Supplementable.h"
+#include "public/platform/WebGamepads.h"
 
 namespace WebCore {
 
@@ -40,7 +41,9 @@ public:
     static NavigatorGamepad& from(Navigator&);
 
     static GamepadList* webkitGetGamepads(Navigator&);
+    static GamepadList* getGamepads(Navigator&);
 
+    GamepadList* webkitGamepads();
     GamepadList* gamepads();
 
 private:
@@ -48,6 +51,7 @@ private:
     static const char* supplementName();
 
     RefPtrWillBePersistent<GamepadList> m_gamepads;
+    RefPtrWillBePersistent<GamepadList> m_webkitGamepads;
 };
 
 } // namespace WebCore