dom listener: fix passive default value

src/vs/base/browser/dom.ts

@@ -186,7 +186,7 @@ class DomListener implements IDisposable {
 		this._type = type;
 		this._handler = handler;
 		this._useCapture = (useCapture || false);
-		this._passive = (passive || false);
+		this._passive = passive;
 		// TODO@Isidor remove any cast once we update our lib.d.ts
 		this._node.addEventListener(this._type, this._handler, <any>{ capture: this._useCapture, passive: this._passive });
 	}

src/vs/base/browser/touch.ts

@@ -82,9 +82,9 @@ export class Gesture implements IDisposable {
 		this.activeTouches = {};
 		this.handle = null;
 		this.targets = [];
-		this.toDispose.push(DomUtils.addDisposableListener(document, 'touchstart', (e) => this.onTouchStart(e), false, true));
-		this.toDispose.push(DomUtils.addDisposableListener(document, 'touchend', (e) => this.onTouchEnd(e), false, true));
-		this.toDispose.push(DomUtils.addDisposableListener(document, 'touchmove', (e) => this.onTouchMove(e), false, true));
+		this.toDispose.push(DomUtils.addDisposableListener(document, 'touchstart', (e) => this.onTouchStart(e), false, false));
+		this.toDispose.push(DomUtils.addDisposableListener(document, 'touchend', (e) => this.onTouchEnd(e), false, false));
+		this.toDispose.push(DomUtils.addDisposableListener(document, 'touchmove', (e) => this.onTouchMove(e), false, false));
 	}
 
 	public static addTarget(element: HTMLElement): void {