Revert of Remove enable/disable wheel gestures setting.

content/renderer/input/input_handler_wrapper.h

Index: content/renderer/input/input_handler_wrapper.h
diff --git a/content/renderer/input/input_handler_wrapper.h b/content/renderer/input/input_handler_wrapper.h
index 5a9248ed74e2b68d728996893fd5acac9c6832e9..35c96e97dfb049dbf5841be04bec602eeaaed473 100644
--- a/content/renderer/input/input_handler_wrapper.h
+++ b/content/renderer/input/input_handler_wrapper.h
@@ -28,7 +28,8 @@
       const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner,
       const base::WeakPtr<cc::InputHandler>& input_handler,
       const base::WeakPtr<RenderViewImpl>& render_view_impl,
-      bool enable_smooth_scrolling);
+      bool enable_smooth_scrolling,
+      bool enable_wheel_gestures);
   ~InputHandlerWrapper() override;
 
   int routing_id() const { return routing_id_; }