debt - more real events over eventemitter

src/vs/code/test/electron-main/servicesTestUtils.ts

@@ -6,22 +6,21 @@
 import { ILifecycleMainService } from 'vs/platform/lifecycle/common/mainLifecycle';
 import { IVSCodeWindow } from 'vs/code/common/window';
 import { TPromise } from 'vs/base/common/winjs.base';
+import Event, { Emitter } from 'vs/base/common/event';
 
 export class TestLifecycleService implements ILifecycleMainService {
 	public _serviceBrand: any;
 
+	private _onBeforeUnload = new Emitter<IVSCodeWindow>();
+	onBeforeUnload: Event<IVSCodeWindow> = this._onBeforeUnload.event;
+
+	private _onBeforeQuit = new Emitter<void>();
+	onBeforeQuit: Event<void> = this._onBeforeQuit.event;
+
 	public get wasUpdated(): boolean {
 		return false;
 	}
 
-	public onBeforeQuit(clb: () => void): () => void {
-		return () => { };
-	}
-
-	public onAfterUnload(clb: (vscodeWindow: IVSCodeWindow) => void): () => void {
-		return () => { };
-	}
-
 	public ready(): void {
 	}