Bug 964153 Remove unnecessary constructor of WidgetTouchEvent and don't copy its widget in Duplicate() r=smaug
Bug 968721 Remove constructor of WidgetPointEvent which takes a lot of arguments for initializing its members r=smaug
Bug 968725 Simplify constructor of InternalAnimationEvent r=smaug
Bug 969219 Simplify constructor of InternalTransitionEvent r=smaug