Python 3 compatibility

test/ninja/action_dependencies/gyptest-action-dependencies.py

Index: test/ninja/action_dependencies/gyptest-action-dependencies.py
diff --git a/test/ninja/action_dependencies/gyptest-action-dependencies.py b/test/ninja/action_dependencies/gyptest-action-dependencies.py
index cb59d7e3c19036ef27f54f28cc7473e7cf9e3e87..89813bab17e3185cdbd3ea84812f15bd97aff17d 100755
--- a/test/ninja/action_dependencies/gyptest-action-dependencies.py
+++ b/test/ninja/action_dependencies/gyptest-action-dependencies.py
@@ -9,11 +9,13 @@ Verify that building an object file correctly depends on running actions in
 dependent targets, but not the targets themselves.
 """
 
+from __future__ import print_function
+
 import os
 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)