1 files changed, 3 insertions, 0 deletions
diff --git a/components/compositing/windowing.rs b/components/compositing/windowing.rs
index cceaaf9fce8..1b901c8bd4e 100644
--- a/components/compositing/windowing.rs
+++ b/components/compositing/windowing.rs
@@ -73,6 +73,8 @@ pub enum WindowEvent {
     Reload(TopLevelBrowsingContextId),
     /// Create a new top level browsing context
     NewBrowser(ServoUrl, IpcSender<TopLevelBrowsingContextId>),
+    /// Close a top level browsing context
+    CloseBrowser(TopLevelBrowsingContextId),
     /// Make a top level browsing context visible, hiding the previous
     /// visible one.
     SelectBrowser(TopLevelBrowsingContextId),
@@ -99,6 +101,7 @@ impl Debug for WindowEvent {
             WindowEvent::ToggleWebRenderProfiler => write!(f, "ToggleWebRenderProfiler"),
             WindowEvent::Reload(..) => write!(f, "Reload"),
             WindowEvent::NewBrowser(..) => write!(f, "NewBrowser"),
+            WindowEvent::CloseBrowser(..) => write!(f, "CloseBrowser"),
             WindowEvent::SelectBrowser(..) => write!(f, "SelectBrowser"),
         }
     }