[1] Add allow-orientation-lock to sandbox flags ( (mounirlamouri著, 2016-05-28 07:09:45 +09:00)) https://github.com/whatwg/html/commit/8f0f73c1b061a8ccee57c6878d8474b43c73aaeb

[2] Reference orientation lock sandbox flag from HTML spec. ( (mounirlamouri著, 2016-05-28 07:23:16 +09:00)) https://github.com/w3c/screen-orientation/commit/b504c5db9f88f74bde5ade326bd10380d27106a5