Bug 577579 - Fix event breakage from bug 130078 [r=roc,mbrubeck]

mobile/chrome/content/content.js

@@ -600,7 +600,7 @@ Content.prototype = {
 
     let scrollOffset = Util.getScrollOffset(content);
     let windowUtils = Util.getWindowUtils(content);
-    windowUtils.sendMouseEvent(aName, aX - scrollOffset.x, aY - scrollOffset.y, 0, 1, 0, true);
+    windowUtils.sendMouseEventToWindow(aName, aX - scrollOffset.x, aY - scrollOffset.y, 0, 1, 0, true);
   },
 
   startLoading: function startLoading() {