Run video_decode_accelerator_unittest on windows GPU bots.

content/test/gpu/generate_buildbot_json.py

 #!/usr/bin/env python
 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Script to generate chromium.gpu.json and chromium.gpu.fyi.json in
 the src/testing/buildbot directory. Maintaining these files by hand is
 too unwieldy.
 """
 
@@ skipping 1087 matching lines @@
   'tab_capture_end2end_tests': {
     'tester_configs': [
       {
         'build_configs': ['Release', 'Release_x64'],
       }
     ],
     'override_compile_targets': [
       'tab_capture_end2end_tests_run',
     ],
   },
+  'video_decode_accelerator_unittest': {
+    'tester_configs': [
+      {
+        'os_types': ['win']
+      },
+    ],
+  },
 }
 
 # This requires a hack because the isolate's name is different than
 # the executable's name. On the few non-swarmed testers, this causes
 # the executable to not be found. It would be better if the Chromium
 # recipe supported running isolates locally. crbug.com/581953
 
 NON_SWARMED_GTESTS = {
   'tab_capture_end2end_tests': {
      'swarming': {
@@ skipping 523 matching lines @@
       generate_telemetry_tests(name, config, TELEMETRY_TESTS, is_fyi, False) + \
       generate_telemetry_tests(name, config, TELEMETRY_GPU_INTEGRATION_TESTS,
                                is_fyi, True)
     tests[name] = {
       'gtest_tests': sorted(gtests, key=lambda x: x['test']),
       'isolated_scripts': sorted(isolated_scripts, key=lambda x: x['name'])
     }
   tests['AAAAA1 AUTOGENERATED FILE DO NOT EDIT'] = {}
   tests['AAAAA2 See generate_buildbot_json.py to make changes'] = {}
   filename = 'chromium.gpu.fyi.json' if is_fyi else 'chromium.gpu.json'
-  with open(os.path.join(SRC_DIR, 'testing', 'buildbot', filename), 'w') as fp:
+  with open(os.path.join(SRC_DIR, 'testing', 'buildbot', filename), 'wb') as fp:

[Ken Russell (switch to Gerrit), 2016/12/19 00:41:56]

Thanks for this fix. I think jmadill@ ran into this problem too.

     json.dump(tests, fp, indent=2, separators=(',', ': '), sort_keys=True)
     fp.write('\n')
 
 def main():
   generate_all_tests(FYI_WATERFALL, True)
   generate_all_tests(WATERFALL, False)
   return 0
 
 if __name__ == "__main__":
   sys.exit(main())