[webkit-changes] [WebKit/WebKit] 206817: [fetch] Implement the `Response.json` static method

[Andreu Botella]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 206817f17f39b6de35ea63268b74b750030d574f
      https://github.com/WebKit/WebKit/commit/206817f17f39b6de35ea63268b74b750030d574f
  Author: Andreu Botella <abotella at igalia.com>
  Date:   2023-03-22 (Wed, 22 Mar 2023)

  Changed paths:
    M LayoutTests/imported/w3c/web-platform-tests/fetch/api/response/response-static-json.any-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/fetch/api/response/response-static-json.any.serviceworker-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/fetch/api/response/response-static-json.any.sharedworker-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/fetch/api/response/response-static-json.any.worker-expected.txt
    M Source/WebCore/Modules/fetch/FetchBody.h
    M Source/WebCore/Modules/fetch/FetchResponse.cpp
    M Source/WebCore/Modules/fetch/FetchResponse.h
    M Source/WebCore/Modules/fetch/FetchResponse.idl

  Log Message:
  -----------
  [fetch] Implement the `Response.json` static method
https://bugs.webkit.org/show_bug.cgi?id=240375

Reviewed by Youenn Fablet.

This implements the `Response.json` static method, added to the fetch
spec in https://github.com/whatwg/fetch/pull/1392.

* LayoutTests/imported/w3c/web-platform-tests/fetch/api/response/response-static-json.any-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/fetch/api/response/response-static-json.any.serviceworker-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/fetch/api/response/response-static-json.any.sharedworker-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/fetch/api/response/response-static-json.any.worker-expected.txt:
* Source/WebCore/Modules/fetch/FetchBody.h:
* Source/WebCore/Modules/fetch/FetchResponse.cpp:
(WebCore::FetchResponse::create):
  Added this method overload to implement the spec's "initialize a
  response" algorithm. This algortihm used to be combined with the
  regular Response creation algorithm which extracts the body, but
  Response.json cannot use that directly.
(WebCore::FetchResponse::staticJson):
* Source/WebCore/Modules/fetch/FetchResponse.h:
* Source/WebCore/Modules/fetch/FetchResponse.idl:

Canonical link: https://commits.webkit.org/261960@main