[Webkit-unassigned] [Bug 183191] New: [webkitpy] Use shell=False to launch apache http server.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=183191

            Bug ID: 183191
           Summary: [webkitpy] Use shell=False to launch apache http
                    server.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Basuke.Suzuki at sony.com
                CC: lforschler at apple.com

On LayoutTestApacheHttpd._run(), subprocess.Popen is used with `shell=True`. It is usually bad idea to pass shell=True, and there's no strong reason we should use shell=True in the code.

On the other hand, if we remove this, we get benefits like:
- no intermediate process which may ended up for security risk
- arguments are array, not a string, which is easy to manage.
- no need to quoting a lot.

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