diff --git a/brightray/browser/inspectable_web_contents_impl.cc b/brightray/browser/inspectable_web_contents_impl.cc
index e7a15181103..69eda184943 100644
--- a/brightray/browser/inspectable_web_contents_impl.cc
+++ b/brightray/browser/inspectable_web_contents_impl.cc
@@ -176,7 +176,7 @@ void InspectableWebContentsImpl::ActivateWindow() {
 }
 
 void InspectableWebContentsImpl::CloseWindow() {
-  CloseDevTools();
+  devtools_web_contents()->GetMainFrame()->DispatchBeforeUnload(false);
 }
 
 void InspectableWebContentsImpl::SetContentsResizingStrategy(
@@ -305,4 +305,8 @@ void InspectableWebContentsImpl::HandleKeyboardEvent(
     delegate->HandleKeyboardEvent(source, event);
 }
 
+void InspectableWebContentsImpl::CloseContents(content::WebContents* source) {
+  CloseDevTools();
+}
+
 }  // namespace brightray
diff --git a/brightray/browser/inspectable_web_contents_impl.h b/brightray/browser/inspectable_web_contents_impl.h
index 1fcfff55379..dd115cdd1e7 100644
--- a/brightray/browser/inspectable_web_contents_impl.h
+++ b/brightray/browser/inspectable_web_contents_impl.h
@@ -109,6 +109,7 @@ class InspectableWebContentsImpl :
 
   virtual void HandleKeyboardEvent(
       content::WebContents*, const content::NativeWebKeyboardEvent&) OVERRIDE;
+  virtual void CloseContents(content::WebContents* source) OVERRIDE;
 
   scoped_ptr<content::WebContents> web_contents_;
   scoped_ptr<content::DevToolsClientHost> frontend_host_;