Communicate whether passive event listeners exist to cc.

content/test/web_layer_tree_view_impl_for_testing.h

Index: content/test/web_layer_tree_view_impl_for_testing.h
diff --git a/content/test/web_layer_tree_view_impl_for_testing.h b/content/test/web_layer_tree_view_impl_for_testing.h
index d3d5ed04e277ad9868bf5f7c7d049ccb5ad98441..01901c4fbbf2faec5a5f1153a87617c76396c157 100644
--- a/content/test/web_layer_tree_view_impl_for_testing.h
+++ b/content/test/web_layer_tree_view_impl_for_testing.h
@@ -67,8 +67,11 @@ class WebLayerTreeViewImplForTesting
   void clearViewportLayers() override;
   void registerSelection(const blink::WebSelection& selection) override;
   void clearSelection() override;
-  void setHaveWheelEventHandlers(bool have_event_handlers) override;
-  bool haveWheelEventHandlers() const override;
+  void setEventListenerProperties(
+      blink::WebEventListenerClass event_class,
+      blink::WebEventListenerProperties properties) override;
+  blink::WebEventListenerProperties eventListenerProperties(
+      blink::WebEventListenerClass event_class) const override;
   void setHaveScrollEventHandlers(bool) override;
   bool haveScrollEventHandlers() const override;