Smooth scroll on Windows should respect OS level animation disabling

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 00c278e9debd13901b9162cceacf0ac203057a2b..86bae5d3c4bf2cf75a4d88c6cccfa9724b4dc7a4 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -2137,7 +2137,8 @@ void RenderViewImpl::initializeLayerTreeView() {
         render_thread ? render_thread->input_handler_manager() : NULL;
     if (input_handler_manager) {
       input_handler_manager->AddInputHandler(
-          routing_id_, rwc->GetInputHandler(), AsWeakPtr());
+          routing_id_, rwc->GetInputHandler(), AsWeakPtr(),
+          !webkit_preferences_.enable_scroll_animator);
     }
   }
 }