为啥将来要删除deviceorientation陀螺仪事件?

https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/2LXKVWYkOus/gT-ZamfwAKsJDevice motion has some pretty serious privacy consequences, and similar to geolocation, passing that in the clear can reveal quite a bit of information. One of my favorites is reading passwords based on accelerometer data: https://sparrow.ece.cmu.edu/group/pub/owusu_ACCessory_hotmobile12.pdf (which a man-in-the-middle can pretty easily take advantage of).为了用户隐私保护
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只是说在HTTP下不支持,因为有安全性问题链接:https://sites.google.com/a/chromium.org/dev/Home/chromium-security/deprecating-powerful-features-on-insecure-origins


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