Reserve/free quota for fetchLater
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The logic for deferred fetching (the `fetchLater` function), as defined in the fetch spec, specifies a "quota" which is shared with between a document and its direct same-origin descendants. For this logic to work in a secure way, the quota needs to be: - reserved when a frame-initiated navigation starts. This way, the container document can only reserve quota based on URLs it knows it navigates to. - freed if the document ends up being same origin with its container, upon document creation. This ensures quota is handled correctly in the case of redirects. This PR adds those two calls: - Call "reserve" on navigation, based on `sourceDocument`. - Call "potentially free" on document creation. Depends on whatwg/fetch#1647, where the quota logic itself is defined.
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The logic for deferred fetching (the
fetchLaterfunction), as defined in the fetch spec, specifies a "quota" which is shared with between a document and its direct same-origin descendants.For this logic to work in a secure way, the quota needs to be:
This PR adds those two calls:
sourceDocument.Depends on whatwg/fetch#1647, where the quota logic itself is defined.
(See WHATWG Working Mode: Changes for more details.)
/browsing-the-web.html ( diff )
/document-lifecycle.html ( diff )
/infrastructure.html ( diff )