old_contents: #!/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.
  
  """
  Verifies that files generated by two-steps-removed actions are built before
  dependent compile steps.
  """
  
  import os
  import TestGyp
  
  # This test is Ninja-specific in that:
  # - the bug only showed nondeterministically in parallel builds;
  # - it relies on a ninja-specific output file path.
  
  test = TestGyp.TestGyp(formats=['ninja'])
  test.run_gyp('chained-dependency.gyp')
  test.build('chained-dependency.gyp', 'obj/chained.chained.o')
  # The test passes if the .o file builds successfully.
  test.pass_test()
  
new_contents: #!/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.
  
  """
  Verifies that files generated by two-steps-removed actions are built before
  dependent compile steps.
  """
  
  import os
  import sys
  import TestGyp
  
  # This test is Ninja-specific in that:
  # - the bug only showed nondeterministically in parallel builds;
  # - it relies on a ninja-specific output file path.
  
  test = TestGyp.TestGyp(formats=['ninja'])
  test.run_gyp('chained-dependency.gyp')
  objext = '.obj' if sys.platform == 'win32' else '.o'
  test.build('chained-dependency.gyp',
             os.path.join('obj', 'chained.chained' + objext))
  # The test passes if the .o file builds successfully.
  test.pass_test()
  
subject: Fix obj extension for test/ninja/chained-dependency to work on Windows ninja build. Review URL: https://chromiumcodereview.appspot.com/9427026