Beginning of CSS parser using frog parsering infrastructure.

frog/presubmit.py

Index: frog/presubmit.py
diff --git a/frog/presubmit.py b/frog/presubmit.py
index 79425ac3450db9c2069f59f2662208bff09da0af..716bc8e84c8cd42b851e3cdf941da4303a813e94 100755
--- a/frog/presubmit.py
+++ b/frog/presubmit.py
@@ -68,7 +68,7 @@ def main(args):
   if args[1:]:
     test_cmd.extend(args[1:])
   else:
-    test_cmd.extend(['language', 'corelib', 'leg'])
+    test_cmd.extend(['language', 'corelib', 'leg', 'css'])
   RunCommand(*test_cmd, verbose=True)
   leg_test_dir = os.path.join('leg', 'tests')
   for current_dir, directories, filenames in os.walk(leg_test_dir):