[Webkit-unassigned] [Bug 154634] New: FontCascadeFonts should downgrade its Ref<FontSelector> to a WeakPtr

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=154634

            Bug ID: 154634
           Summary: FontCascadeFonts should downgrade its
                    Ref<FontSelector> to a WeakPtr
    Classification: Unclassified
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Text
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mmaxfield at apple.com
                CC: mmaxfield at apple.com

After the document is destroyed, it doesn't make any sense for a font to extend the lifetime of the font selector.

Once this is done, CSSFontSelector can probably be a std::unique_ptr or even a raw member variable of Document.

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