Plumb firing passive event listeners.

cc/trees/layer_tree_impl.cc

Index: cc/trees/layer_tree_impl.cc
diff --git a/cc/trees/layer_tree_impl.cc b/cc/trees/layer_tree_impl.cc
index 4784ce7a1b69deef102ef9025518d504814668be..6ba16d937abce7563ac4ffb25cc655e5b7c645c1 100644
--- a/cc/trees/layer_tree_impl.cc
+++ b/cc/trees/layer_tree_impl.cc
@@ -1745,29 +1745,6 @@ static bool LayerHasTouchEventHandlersAt(const gfx::PointF& screen_space_point,
   return true;
 }
 
-struct FindWheelEventLayerFunctor {
-  bool operator()(LayerImpl* layer) const {
-    return layer->wheel_event_properties() != EventListenerProperties::kNone;
-  }
-};
-
-LayerImpl* LayerTreeImpl::FindLayerWithWheelHandlerThatIsHitByPoint(
-    const gfx::PointF& screen_space_point) {
-  if (!root_layer())
-    return NULL;
-  bool update_lcd_text = false;
-  if (!UpdateDrawProperties(update_lcd_text))
-    return NULL;
-  bool use_property_trees =
-      settings().use_property_trees || settings().verify_property_trees;
-  FindWheelEventLayerFunctor func;
-  FindClosestMatchingLayerDataForRecursion data_for_recursion;
-  FindClosestMatchingLayer(
-      screen_space_point, root_layer(), func, property_trees_.transform_tree,
-      property_trees_.clip_tree, use_property_trees, &data_for_recursion);
-  return data_for_recursion.closest_match;
-}
-
 struct FindTouchEventLayerFunctor {
   bool operator()(LayerImpl* layer) const {
     return LayerHasTouchEventHandlersAt(screen_space_point, layer,