Python 3 compatibility

test/variables/filelist/gyptest-filelist-golden.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.
 
 """
 Test variable expansion of '<|(list.txt ...)' syntax commands.
 """
 
+from __future__ import print_function
+
 import os
 import sys
 
 import TestGyp
 
 test = TestGyp.TestGyp(format='gypd')
 
 expect = test.read('filelist.gyp.stdout')
 if sys.platform == 'win32':
   expect = expect.replace('/', r'\\').replace('\r\n', '\n')
 
 test.run_gyp('src/filelist.gyp',
              '--debug', 'variables',
              stdout=expect, ignore_line_numbers=True)
 
 # Verify the filelist.gypd against the checked-in expected contents.
 #
 # Normally, we should canonicalize line endings in the expected
 # contents file setting the Subversion svn:eol-style to native,
 # but that would still fail if multiple systems are sharing a single
 # workspace on a network-mounted file system.  Consequently, we
 # massage the Windows line endings ('\r\n') in the output to the
 # checked-in UNIX endings ('\n').
 
 contents = test.read('src/filelist.gypd').replace(
     '\r', '').replace('\\\\', '/')
 expect = test.read('filelist.gypd.golden').replace('\r', '')
 if not test.match(contents, expect):
-  print "Unexpected contents of `src/filelist.gypd'"
+  print("Unexpected contents of `src/filelist.gypd'")
   test.diff(expect, contents, 'src/filelist.gypd ')
   test.fail_test()
 
 contents = test.read('src/names.txt')
 expect = 'John\nJacob\nJingleheimer\nSchmidt\n'
 if not test.match(contents, expect):
-  print "Unexpected contents of `src/names.txt'"
+  print("Unexpected contents of `src/names.txt'")
   test.diff(expect, contents, 'src/names.txt ')
   test.fail_test()
 
 test.pass_test()