RESOLVED DUPLICATE of bug 141859 141580
REGRESSION (r179429): Backspace key does not work in Facebook comment fields 
https://bugs.webkit.org/show_bug.cgi?id=141580
Summary REGRESSION (r179429): Backspace key does not work in Facebook comment fields
Chris Adamson
Reported 2015-02-13 16:52:17 PST
Visit Facebook (yeah, I know). Locate a post's reply block and focus on it. Start typing. Press backspace key to delete what you have typed. Nothing happens.
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Alexey Proskuryakov
Comment 1 2015-02-13 22:37:32 PST
I could reproduce with nightly r180087. We need to bisect to find out what change broke this.
Radar WebKit Bug Importer
Comment 2 2015-02-13 22:37:43 PST
<rdar://problem/19837231>
Alexey Proskuryakov
Comment 3 2015-02-17 10:08:17 PST
Turns out that this regressed with http://trac.webkit.org/changeset/179429
Mark Rowe (bdash)
Comment 4 2015-02-21 01:36:12 PST
*** This bug has been marked as a duplicate of bug 141859 ***
Yusuke Suzuki
Comment 5 2015-02-21 08:06:54 PST
Oops, it's my fault. Thank you for investigating it! After investigating the cause, it seems that, when window.Symbol is exposed, Object.getOwnPropertySymbols and the latest ES6 iterator interface are also required. So I'm now fixing this issue by hiding window.Symbol object to user web pages. It allow inspector to continue to use Symbol and its' already used.
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