[Webkit-unassigned] [Bug 205670] New: Declare some classes as final.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=205670

            Bug ID: 205670
           Summary: Declare some classes as final.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mark.lam at apple.com

There are a few "Status" classes, all of whom have static computeFor() methods.  All of these classes do not have derived classes, and are independent of each others in terms of inheritance relationships.  By explicitly declaring them as final, we can make it clear that a call to any unqualified computeFor() methods must be from the self class, and that external calls to any given computeFor() method qualified with a class name is defined in that class (and is not inherited).

This detail may already be known to folks who are familiar with these classes.  Declaring them as final helps surface this independence for readers of the code who is not already in the know.

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