Introduce session type parameter to extension features

tools/json_schema_compiler/feature_compiler_test.py

 #!/usr/bin/env python
 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import feature_compiler
 import unittest
 
 class FeatureCompilerTest(unittest.TestCase):
   """Test the FeatureCompiler. Note that we test that the expected features are
@@ skipping 28 matching lines @@
       'contexts': ['blessed_extension', 'blessed_web_page'],
       'default_parent': True,
       'dependencies': ['dependency1', 'dependency2'],
       'extension_types': ['extension'],
       'location': 'component',
       'internal': True,
       'matches': ['*://*/*'],
       'max_manifest_version': 1,
       'noparent': True,
       'platforms': ['mac', 'win'],
+      'session_types': ['kiosk', 'regular'],
       'whitelist': ['zzz', 'yyy']
     })
     self.assertFalse(f.errors)
 
   def testUnknownKeyError(self):
     f = self._parseFeature({
       'contexts': ['blessed_extension'],
       'channel': 'stable',
       'unknownkey': 'unknownvalue'
     })
@@ skipping 72 matching lines @@
     self.assertFalse(channel_feature.errors)
     dependency_feature = self._parseFeature(
                              {'contexts': ['blessed_extension'],
                               'dependencies': ['alpha']})
     dependency_feature.Validate('APIFeature')
     self.assertFalse(dependency_feature.errors)
 
 
 if __name__ == '__main__':
   unittest.main()