That is the modern treatment—when Black is in fact currently scoring better than the usual 6... g6.
1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1c4  3... g8f6  4. d2d3  4... h7h6 A modern, aggressive line with which Shirov scored quite well. 5. e1g1  5... d7d6  6. c2c3 