Use a fixed innerWindowId for WindowGlobal Target Actor
Categories
(DevTools :: Framework, task)
Tracking
(Not tracked)
People
(Reporter: ochameau, Unassigned)
References
(Blocks 2 open bugs)
Details
The innerWindowId is used as an identifier for frame targets.
It ought to be unique and stable for a given target actor as this is used
in Resource forms as identifier for targets.
Also, getting a live getter may throw when accessing the window object's innerWindowId
when the document starts being destroyed (on iframe unload), but there is still relevant debugging
to be done against the WindowGlobal.
The checks in WindowGlobal Target Watchers were brittle as they were relying on the fact that
the WindowGlobalTargetActor's innerWindowId would be updated to the new WindowGlobal ID
when the BrowsingContext navigated to a new document. The findTargetActor method now uses
BrowsingContext ID to lookup for any existing Target Actor for the current BrowsingContext.
(this still uses WG innerWindowId for WG destruction codepath)
Description
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