Share Gamepad and WebKitGamepad implementation

Source/modules/gamepad/WebKitGamepad.h

Index: Source/modules/gamepad/WebKitGamepad.h
diff --git a/Source/core/animation/DocumentAnimation.idl b/Source/modules/gamepad/WebKitGamepad.h
similarity index 59%
copy from Source/core/animation/DocumentAnimation.idl
copy to Source/modules/gamepad/WebKitGamepad.h
index 2bfb6a74b00d388c5f585b10f2d56950155c2458..158db5166250e3f6d281bf087143722301d8cbbc 100644
--- a/Source/core/animation/DocumentAnimation.idl
+++ b/Source/modules/gamepad/WebKitGamepad.h
@@ -2,8 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-[
-    RuntimeEnabled=WebAnimationsAPI,
-] partial interface Document {
-    readonly attribute Timeline timeline;
-};
+#ifndef WebKitGamepad_h
+#define WebKitGamepad_h
+
+#include "modules/gamepad/Gamepad.h"

[eseidel, 2014/03/12 20:05:49]

This is presumably needed to keep the bindings generator happy?  Seems we should
add a comment about such?

Also, I don't think we need the header guards. :)

[Nils Barth (inactive), 2014/03/13 08:55:46]

Yup, this was for CG; agreed a comment would've been in order.
(This was just as "first look", and turned out it was abandoned.)
Probably safe ;)

+
+#endif // WebKitGamepad_h