--- a/browser/metro/modules/CrossSlide.jsm
+++ b/browser/metro/modules/CrossSlide.jsm
@@ -140,17 +140,17 @@ CrossSlideHandler.prototype = {
         this._onTouchMove(aEvent);
         break;
       case "touchend":
         this._onTouchEnd(aEvent);
         break;
     }
   },
 
-  cancel: function(){
+  cancel: function(aEvent){
     this._fireProgressEvent("cancelled", aEvent);
     this.drag = null;
   },
 
   _onTouchStart: function onTouchStart(aEvent){
     if (aEvent.touches.length > 1)
       return;
     let touch = aEvent.touches[0];
@@ -178,17 +178,17 @@ CrossSlideHandler.prototype = {
     if (!this.drag) {
       return;
     }
     // event is handled here, dont let it bubble further
     aEvent.stopPropagation();
 
     if (aEvent.touches.length!==1) {
       // cancel if another touch point gets involved
-      return this.cancel();
+      return this.cancel(aEvent);
     }
 
     let startPt = this.drag.origin;
     let endPt = this.drag.position = pointFromTouchEvent(aEvent);
 
     let scrollAxis = this.drag.scrollAxis,
         crossAxis = this.drag.crossAxis;
 
@@ -197,28 +197,28 @@ CrossSlideHandler.prototype = {
     // distance along the scrolling axis
     let scrollAxisDistance = Math.abs(endPt[scrollAxis] - startPt[scrollAxis]);
 
     let currState = this.drag.state;
     let newState = this.getCrossSlideState(crossAxisDistance, scrollAxisDistance);
 
     if (-1 == newState) {
       // out of bounds, cancel the event always
-      return this.cancel();
+      return this.cancel(aEvent);
     }
 
     let isWithinCone = withinCone(crossAxisDistance, scrollAxisDistance);
     if (currState < CrossSlidingState.SELECTING && !isWithinCone) {
       // ignore, no progress to report
       return;
     }
     if (currState >= CrossSlidingState.SELECTING && !isWithinCone) {
       // we're committed to a cross-slide gesture,
       // so going out of bounds at this point means aborting
-      return this.cancel();
+      return this.cancel(aEvent);
     }
 
     if (currState > newState) {
       // moved backwards, ignoring
       return;
     }
 
     this.drag.state = newState;
@@ -227,17 +227,17 @@ CrossSlideHandler.prototype = {
   _onTouchEnd: function(aEvent){
     if (!this.drag)
       return;
 
     // event is handled, dont let it bubble further
     aEvent.stopPropagation();
 
     if (this.drag.state < CrossSlidingState.SELECTING) {
-      return this.cancel();
+      return this.cancel(aEvent);
     }
 
     this._fireProgressEvent("completed", aEvent);
     this._fireSelectEvent(aEvent);
     this.drag = null;
   },
 
   /**