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e38327a944
Any number of outer windows may be attached to a BrowsingContext over its lifetime. While the BrowsingContext is alive, it's easy to keep track of which of these is active, and therefore which of its inner windows is active. After it has been discarded, though, it discards its docShell reference, so all we can tell about an inner window is whether it is active for its own outer window, but not whether it should be considered active for its BrowsingContext. This patch updates the BrowsingContext detach logic to store a flag on the current inner window recording that it was active when its BrowsingContext was detached, and then later checks that flag to determine if it is the current window for a detached BrowsingContext. Differential Revision: https://phabricator.services.mozilla.com/D49032 --HG-- extra : moz-landing-system : lando |
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