Plumb firing passive event listeners.

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 dc176876650a155d6f13fea9fa24958b43c2b4b1..3acf784da0c5a69b2321cdf3832a553379513b6a 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -48,6 +48,7 @@
 #include "content/common/frame_messages.h"
 #include "content/common/frame_replication_state.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
+#include "content/common/input/input_event_utils.h"
 #include "content/common/input_messages.h"
 #include "content/common/pepper_messages.h"
 #include "content/common/site_isolation_policy.h"
@@ -2161,7 +2162,8 @@ void RenderViewImpl::initializeLayerTreeView() {
     if (input_handler_manager) {
       input_handler_manager->AddInputHandler(
           routing_id(), rwc->GetInputHandler(), AsWeakPtr(),
-          webkit_preferences_.enable_scroll_animator);
+          webkit_preferences_.enable_scroll_animator,
+          UseGestureBasedWheelScrolling());
     }
   }
 }