908099 - Don't expose a localStorage property when cookies are disabled

Status: NEW

(Core :: DOM: Core & HTML, defect, P5)

Description

[David Bruant]

Found in Persona [1]

Steps :
* disable cookies
* go to any webpage
* type 'window.localStorage'

Actual result:
the following is thrown:
[Exception... "The operation is insecure."  code: "18" nsresult: "0x80530012 (SecurityError)"  location: "debugger eval code Line: 1"]

Expected result:
The 'undefined' value, because localStorage is effectively not supported

Highly related to bug 838614

[1] https://github.com/mozilla/browserid/blob/a23791b9651fd0c3b96b25e3abcb810f51c03532/resources/static/include_js/_include.js#L41-L70

Comment 1

[Firefox Bug Husbandry Bot]

https://bugzilla.mozilla.org/show_bug.cgi?id=1472046

Move all DOM bugs that haven’t been updated in more than 3 years and has no one currently assigned to P5.

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