Sat, 03 Jan 2015 20:18:00 +0100
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
1 // Return undefined if the trap returns undefined
2 var target = {};
3 Object.defineProperty(target, 'foo', {
4 configurable: true
5 });
6 assertEq(Object.getOwnPropertyDescriptor(new Proxy(target, {
7 getOwnPropertyDescriptor: function (target, name) {
8 return undefined;
9 }
10 }), 'foo'), undefined);