[Webkit-unassigned] [Bug 214357] New: Always fire a bug for <embed> and <iframe> network errors

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=214357

            Bug ID: 214357
           Summary: Always fire a bug for <embed> and <iframe> network
                    errors
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Frames
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: d at domenic.me

See https://github.com/whatwg/html/pull/4247 and https://github.com/web-platform-tests/wpt/pull/24518.

Currently WebKit fires a load event for X-Frame-Options induced network errors, but fires no load event for nonexistant-host induced network errors. The specs do not distinguish between multiple types of network errors.

Chromium currently follows the spec (load event for all network errors), whereas Firefox has similar behavior to Safari.

Both <embed> and <iframe> exhibit similar behavior here. (<object> is much less interoperable and so we haven't touched the spec for it.)

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