Python 3 compatibility

test/mac/gyptest-swift-library.py

Index: test/mac/gyptest-swift-library.py
diff --git a/test/mac/gyptest-swift-library.py b/test/mac/gyptest-swift-library.py
index dde7a62351c65f3f5f7f5ba21b0f8e3f153a5187..d3433753fd07407d6eb598eb0a5fb45326098dbe 100644
--- a/test/mac/gyptest-swift-library.py
+++ b/test/mac/gyptest-swift-library.py
@@ -8,6 +8,8 @@
 Verifies that a swift framework builds correctly.
 """
 
+from __future__ import print_function
+
 import TestGyp
 import TestMac
 
@@ -16,7 +18,7 @@ import sys
 import subprocess
 
 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(formats=['xcode'])
@@ -26,7 +28,7 @@ if sys.platform == 'darwin':
     output = subprocess.check_output(['nm', '-j', path])
     idx = output.find(symbol)
     if idx == -1:
-      print 'Swift: Could not find symobl: %s' % symbol
+      print('Swift: Could not find symobl: %s' % symbol)
       test.fail_test()
 
   test_cases = []