GN: Remove "outputs" parameter for java_cpp_enum()

build/android/gyp/java_cpp_enum_tests.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 """Tests for enum_preprocess.py.
 
 This test suite containss various tests for the C++ -> Java enum generator.
 """
 
@@ skipping 400 matching lines @@
     definition.AppendEntry('B', None)
     definition.AppendEntry('NAME_LAST', None)
     definition.Finalize()
     self.assertEqual(['A', 'B', 'NAME_LAST'], definition.entries.keys())
 
   def testGenerateThrowsOnEmptyInput(self):
     with self.assertRaises(Exception):
       original_do_parse = java_cpp_enum.DoParseHeaderFile
       try:
         java_cpp_enum.DoParseHeaderFile = lambda _: []
-        java_cpp_enum.DoGenerate('dir', ['file'])
+        for _ in java_cpp_enum.DoGenerate(['file']):
+          pass
       finally:
         java_cpp_enum.DoParseHeaderFile = original_do_parse
 
 def main(argv):
   parser = optparse.OptionParser()
   parser.add_option("--stamp", help="File to touch on success.")
   options, _ = parser.parse_args(argv)
 
   suite = unittest.TestLoader().loadTestsFromTestCase(TestPreprocess)
   unittest.TextTestRunner(verbosity=0).run(suite)
 
   if options.stamp:
     build_utils.Touch(options.stamp)
 
 if __name__ == '__main__':
   main(sys.argv[1:])