Set the job name for the print job on the Mac.

BUG=http://crbug.com/29188
TEST=as in bug

Review URL: http://codereview.chromium.org/1997016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@47056 0039d316-1c4b-4281-b951-d872f2087c98
  ContextMenuMessageDispatcher(
      int render_process_id,
      const ViewHostMsg_ContextMenu& context_menu_message)
      : render_process_id_(render_process_id),
        context_menu_message_(context_menu_message) {
  }

  ContextMenuMessageDispatcher(
      int render_process_id,
      const ViewHostMsg_ContextMenu& context_menu_message)
      : render_process_id_(render_process_id),
        context_menu_message_(context_menu_message) {
  }
