Python 3 compatibility

test/rules/gyptest-default.py

 #!/usr/bin/env python
 
 # Copyright (c) 2011 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 simple rules when using an explicit build target of 'all'.
 """
 
+from __future__ import print_function
+
 import sys
 
 if sys.platform == 'win32':
-  print "This test is currently disabled: https://crbug.com/483696."
+  print("This test is currently disabled: https://crbug.com/483696.")
   sys.exit(0)
 
 
 import TestGyp
 
 test = TestGyp.TestGyp()
 
 test.run_gyp('actions.gyp',
              '-G', 'xcode_ninja_target_pattern=^pull_in_all_actions$',
              chdir='src')
@@ skipping 34 matching lines @@
 test.must_match('relocate/src/subdir2/file1.out4', 'Hello from file1.in\n')
 test.must_match('relocate/src/subdir2/file2.out4', 'Hello from file2.in\n')
 test.must_match('relocate/src/subdir2/file1.copy', 'Hello from file1.in\n')
 
 test.must_match('relocate/src/external/file1.external_rules.out',
                 'Hello from file1.in\n')
 test.must_match('relocate/src/external/file2.external_rules.out',
                 'Hello from file2.in\n')
 
 test.pass_test()