xcode: Add support for storyboard files
xcode: Add support for storyboard files

Patch from Amit Joshi <amit@chromium.org>!
Review URL: https://codereview.chromium.org/12213116/
old8xp/gyp_from_google,old8xp/gyp_from_google,old8xp/gyp_from_google,old8xp/gyp_from_google,old8xp/gyp_from_google