upload_bench_results - fix GS upload path.

infra/bots/recipe_modules/skia/resources/upload_bench_results.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 """ Upload benchmark performance data results. """
 
 import gzip
 import os
 import os.path
@@ skipping 44 matching lines @@
   RE_FILE_SEARCH = re.compile(
       'nanobench_({})_[0-9]+\.json'.format(got_revision))
   nanobench_name = None
 
   for file_name in file_list:
     if RE_FILE_SEARCH.search(file_name):
       nanobench_name = file_name
       break
 
   if nanobench_name:
-    dest_gsbase = 'gs://chromium-skia-gm/'
+    dest_gsbase = 'gs://chromium-skia-gm'
     nanobench_json_file = os.path.join(perf_data_dir,
                                        nanobench_name)
     _UploadJSONResults(builder_name, build_number, dest_gsbase, 'nano-json-v1',
                        nanobench_json_file, gsutil_path=gsutil_path,
                        issue_number=issue_number)
 
 
 if __name__ == '__main__':
   main(*sys.argv[1:])