[Webkit-unassigned] [Bug 164763] New: [WebCore] Drop frame protection for script execution

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=164763

            Bug ID: 164763
           Summary: [WebCore] Drop frame protection for script execution
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: utatane.tea at gmail.com
                CC: cdumez at apple.com

In ScriptController and ScriptElement, there are some `Ref<Frame> protector(frame)` protections.
It avoids destroying Frame during executing scripts.

But if there are no code touching Frame after the execution of the script, we do not need to save Frame.

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