Python 3 compatibility

test/win/gyptest-cl-enable-enhanced-instruction-set.py

 #!/usr/bin/env python
 
 # Copyright (c) 2014 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 VCCLCompilerTool EnableEnhancedInstructionSet setting.
 """
 
+from __future__ import print_function
+
 import TestGyp
 
 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)
 
   test = TestGyp.TestGyp()
 
   CHDIR = 'compiler-flags'
   test.run_gyp('enable-enhanced-instruction-set.gyp', chdir=CHDIR)
 
   test.build('enable-enhanced-instruction-set.gyp', test.ALL, chdir=CHDIR)
 
   test.run_built_executable('sse_extensions', chdir=CHDIR,
@@ skipping 10 matching lines @@
   if os.path.exists(test.built_file_path('no_extensions')):
     test.run_built_executable('no_extensions', chdir=CHDIR,
                               stdout='/arch:IA32\n')
 
   # /arch:AVX2 introduced in VS2013r2.
   if os.path.exists(test.built_file_path('avx2_extensions')):
     test.run_built_executable('avx2_extensions', chdir=CHDIR,
                               stdout='/arch:AVX2\n')
 
   test.pass_test()