Jason Simmons 42f5bc5fdf Fixes related to usage of std::weak_ptr to hold PlatformViews (#3949)
* Call weak_ptr.lock(), which returns a null shared_ptr and does not throw
* IsViewInvalid was inverted
2017-08-03 10:53:17 -07:00
..
2017-03-29 13:04:25 -07:00
2016-10-24 19:54:42 -07:00