'Returns the variables Xcode would set for postbuild steps.'

def GetSortedXcodePostbuildEnv(self):

    postbuild_settings = {}
    strip_save_file = self.xcode_settings.GetPerTargetSetting('CHROMIUM_STRIP_SAVE_FILE')
    if strip_save_file:
        postbuild_settings['CHROMIUM_STRIP_SAVE_FILE'] = strip_save_file
    return self.GetSortedXcodeEnv(additional_settings=postbuild_settings)
