[webkit-changes] [WebKit/WebKit] f006d3: Save linked subresources when saving web page reso...

[Sihui]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: f006d3e24eebe0b6ca75dc65c939d9ce182af932
      https://github.com/WebKit/WebKit/commit/f006d3e24eebe0b6ca75dc65c939d9ce182af932
  Author: Sihui Liu <sihui_liu at apple.com>
  Date:   2024-01-11 (Thu, 11 Jan 2024)

  Changed paths:
    M Source/WebCore/html/HTMLLinkElement.cpp
    M Tools/TestWebKitAPI/Tests/WebKitCocoa/CreateWebArchive.mm

  Log Message:
  -----------
  Save linked subresources when saving web page resources
https://bugs.webkit.org/show_bug.cgi?id=267372
rdar://120491493

Reviewed by Ryosuke Niwa and BJ Burg.

When collecting subresources URLs, we should include URL of link element if it is a link to external resource
(https://html.spec.whatwg.org/multipage/links.html#linkTypes), and it may fetch or cache the linked resource
(https://html.spec.whatwg.org/multipage/semantics.html#fetching-and-processing-a-resource-from-a-link-element). We
currently only include URL of style sheet.

Update API test: WebArchive.SaveResourcesLink

* Source/WebCore/html/HTMLLinkElement.cpp:
(WebCore::mayFetchResource):
(WebCore::HTMLLinkElement::addSubresourceAttributeURLs const):
* Tools/TestWebKitAPI/Tests/WebKitCocoa/CreateWebArchive.mm:

Canonical link: https://commits.webkit.org/272925@main