Move have_wheel_event_handlers to WebLayerTreeView.

content/test/web_layer_tree_view_impl_for_testing.cc

Index: content/test/web_layer_tree_view_impl_for_testing.cc
diff --git a/content/test/web_layer_tree_view_impl_for_testing.cc b/content/test/web_layer_tree_view_impl_for_testing.cc
index 0bb14af220a9e902d95dc6e268bce5e356201128..7dbc162085fc94c782a50cd9414857edbe4baf3d 100644
--- a/content/test/web_layer_tree_view_impl_for_testing.cc
+++ b/content/test/web_layer_tree_view_impl_for_testing.cc
@@ -200,4 +200,13 @@ void WebLayerTreeViewImplForTesting::registerSelection(
 void WebLayerTreeViewImplForTesting::clearSelection() {
 }
 
+void WebLayerTreeViewImplForTesting::setHaveWheelEventHandlers(
+    bool have_event_handlers) {
+  layer_tree_host_->SetHaveWheelEventHandlers(have_event_handlers);
+}
+
+bool WebLayerTreeViewImplForTesting::haveWheelEventHandlers() const {
+  return layer_tree_host_->have_wheel_event_handlers();
+}
+
 }  // namespace content