[webkit-changes] [WebKit/WebKit] 581566: Add WritableStreamDefaultController signal getter

[youennf]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 5815663b4091e899abd1b81a412b05d020c70d53
      https://github.com/WebKit/WebKit/commit/5815663b4091e899abd1b81a412b05d020c70d53
  Author: Youenn Fablet <youennf at gmail.com>
  Date:   2022-12-06 (Tue, 06 Dec 2022)

  Changed paths:
    M LayoutTests/imported/w3c/web-platform-tests/streams/idlharness.any-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/streams/idlharness.any.serviceworker-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/streams/idlharness.any.worker-expected.txt
    M Source/WebCore/Modules/streams/WritableStreamDefaultController.idl
    M Source/WebCore/Modules/streams/WritableStreamDefaultController.js
    M Source/WebCore/Modules/streams/WritableStreamInternals.js
    M Source/WebCore/bindings/js/JSDOMGlobalObject.cpp
    M Source/WebCore/bindings/js/WebCoreBuiltinNames.h

  Log Message:
  -----------
  Add WritableStreamDefaultController signal getter
https://bugs.webkit.org/show_bug.cgi?id=248600
rdar://problem/102858374

Reviewed by Alex Christensen.

Add signal as attribute and signal it as aborted when stream gets aborted.
Add necessary built-in globals to interact with AbortSignal.
Covered by rebased tests.

* LayoutTests/imported/w3c/web-platform-tests/streams/idlharness.any-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/streams/idlharness.any.serviceworker-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/streams/idlharness.any.worker-expected.txt:
* Source/WebCore/Modules/streams/WritableStreamDefaultController.idl:
* Source/WebCore/Modules/streams/WritableStreamDefaultController.js:
(getter.signal):
* Source/WebCore/Modules/streams/WritableStreamInternals.js:
(writableStreamAbort):
(setUpWritableStreamDefaultController):
* Source/WebCore/bindings/js/JSDOMGlobalObject.cpp:
(WebCore::JSC_DEFINE_HOST_FUNCTION):
(WebCore::JSDOMGlobalObject::addBuiltinGlobals):
* Source/WebCore/bindings/js/WebCoreBuiltinNames.h:

Canonical link: https://commits.webkit.org/257397@main