Provide option to disable Mac OS 10.7 application resume when using

Provide option to disable Mac OS 10.7 application resume when using
{debug, run}-{safari, minibrowser, test-runner, test-webkit-api}, and run-webkit-app
https://bugs.webkit.org/show_bug.cgi?id=66902

Reviewed by David Kilzer.

Add an optional command line argument --no-saved-state to disable
application resume (state restoration) for the session on Mac OS 10.7.

For instance, when debugging an issue in Safari it is useful to be able
to temporarily disable application resume. Currently you can disable
application resume when launching Safari from within Xcode. We should
expose a similar option in our command line tools.

* Scripts/debug-minibrowser: Call printHelpAndExitForRunAndDebugWebKitAppIfNeeded()
to print a help message and exit() if the command line argument --help was given.
* Scripts/debug-safari: Ditto.
* Scripts/debug-test-runner: Ditto.
* Scripts/run-minibrowser: Ditto.
* Scripts/run-safari: Ditto.
* Scripts/run-test-runner: Ditto.
* Scripts/run-test-webkit-api: Ditto.
* Scripts/run-webkit-app: Ditto.
* Scripts/webkitdirs.pm:
(printHelpAndExitForRunAndDebugWebKitAppIfNeeded): Added.
(argumentsForRunAndDebugMacWebKitApp): Added.
(runMacWebKitApp): If the --no-saved-state command line argument was given then
disable application resume for the session.
(execMacWebKitAppForDebugging): Ditto.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@103640 268f45cc-cd09-0410-ab3c-d52691b4dbfc