Python 3 compatibility

test/copies/gyptest-updir.py

 #!/usr/bin/env python
 
 # Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """
 Verifies file copies where the destination is one level above an expansion that
 yields a make variable.
 """
 
+from __future__ import print_function
+
 import sys
 
 import TestGyp
 
 if sys.platform == 'darwin':
-  print "This test is currently disabled: https://crbug.com/483696."
+  print("This test is currently disabled: https://crbug.com/483696.")
   sys.exit(0)
 
 test = TestGyp.TestGyp()
 test.run_gyp('copies-updir.gyp', chdir='src')
 
 test.relocate('src', 'relocate/src')
 test.build('copies-updir.gyp', 'copies_up', chdir='relocate/src')
 
 test.built_file_must_match('../copies-out-updir/file1',
                            'file1 contents\n',
                            chdir='relocate/src')
 
 test.pass_test()