Added non-prefixed navigator.getGamepads() with updated API

Source/modules/modules.gypi

Index: Source/modules/modules.gypi
diff --git a/Source/modules/modules.gypi b/Source/modules/modules.gypi
index b20542fa199403d93b6766f4c0325423543a05c5..1b5d97313a6dfe06b350adfbef30b00326197c34 100644
--- a/Source/modules/modules.gypi
+++ b/Source/modules/modules.gypi
@@ -47,7 +47,12 @@
       'filesystem/Metadata.idl',
       'filesystem/MetadataCallback.idl',
       'gamepad/Gamepad.idl',
+      'gamepad/GamepadBase.idl',
+      'gamepad/GamepadButton.idl',
+      'gamepad/GamepadEvent.idl',
       'gamepad/GamepadList.idl',
+      'gamepad/WebKitGamepad.idl',
+      'gamepad/WebKitGamepadList.idl',
       'geolocation/Coordinates.idl',
       'geolocation/Geolocation.idl',
       'geolocation/Geoposition.idl',
@@ -340,10 +345,20 @@
       'filesystem/WorkerGlobalScopeFileSystem.h',
       'gamepad/Gamepad.cpp',
       'gamepad/Gamepad.h',
+      'gamepad/GamepadBase.cpp',
+      'gamepad/GamepadBase.h',
+      'gamepad/GamepadButton.cpp',
+      'gamepad/GamepadButton.h',
+      'gamepad/GamepadEvent.cpp',
+      'gamepad/GamepadEvent.h',
       'gamepad/GamepadList.cpp',
       'gamepad/GamepadList.h',
       'gamepad/NavigatorGamepad.cpp',
       'gamepad/NavigatorGamepad.h',
+      'gamepad/WebKitGamepad.cpp',
+      'gamepad/WebKitGamepad.h',
+      'gamepad/WebKitGamepadList.cpp',
+      'gamepad/WebKitGamepadList.h',
       'geolocation/Coordinates.cpp',
       'geolocation/Geolocation.cpp',
       'geolocation/GeolocationController.cpp',