[Webkit-unassigned] [Bug 169748] New: _parent named browsing context should not be case-sensitive

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=169748

            Bug ID: 169748
           Summary: _parent named browsing context should not be
                    case-sensitive
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: lyza at lyza.com

(Likely related to https://bugs.webkit.org/show_bug.cgi?id=169747 )

Browsing context name keywords should not be case-sensitive (https://html.spec.whatwg.org/#browsing-context-names).

Steps to reproduce issue:

1. `window.open` a document into `_pARent`

Expected behavior:

Browser should choose parent browsing context, if one available, or current browsing context if current is a top-level browsing context.

Actual behavior:

Browser creates a new browsing context (i.e. tab/window)

Browser appears to be choosing a new, not-previously-existing, non-keyword browsing context when given `_pARent`

Subsequent calls to `window.open` into `pARent` are reusing the new browsing context created by the first invocation

Related web-platform-tests tests: https://github.com/w3c/web-platform-tests/pull/5150

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