Add Debug menu to Mac Content Shell.

content/shell/mac/English.lproj/MainMenu.xib

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[Avi (use Gerrit), 2012/08/09 20:27:29]

New menu item.

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[Avi (use Gerrit), 2012/08/09 20:27:29]

Sending -showDevTools: to the first responder.

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