Revert "third_party/protobuf: Update to HEAD (83d681ee2c)"

third_party/protobuf/python/google/protobuf/internal/testing_refleaks.py

Index: third_party/protobuf/python/google/protobuf/internal/testing_refleaks.py
diff --git a/third_party/protobuf/python/google/protobuf/internal/testing_refleaks.py b/third_party/protobuf/python/google/protobuf/internal/testing_refleaks.py
deleted file mode 100644
index 8ce06519bc7c010549285665e5acb2bcf4094743..0000000000000000000000000000000000000000
--- a/third_party/protobuf/python/google/protobuf/internal/testing_refleaks.py
+++ /dev/null
@@ -1,126 +0,0 @@
-# Protocol Buffers - Google's data interchange format
-# Copyright 2008 Google Inc.  All rights reserved.
-# https://developers.google.com/protocol-buffers/
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-"""A subclass of unittest.TestCase which checks for reference leaks.
-
-To use:
-- Use testing_refleak.BaseTestCase instead of unittest.TestCase
-- Configure and compile Python with --with-pydebug
-
-If sys.gettotalrefcount() is not available (because Python was built without
-the Py_DEBUG option), then this module is a no-op and tests will run normally.
-"""
-
-import gc
-import sys
-
-try:
-  import copy_reg as copyreg  #PY26
-except ImportError:
-  import copyreg
-
-try:
-  import unittest2 as unittest  #PY26
-except ImportError:
-  import unittest
-
-
-class LocalTestResult(unittest.TestResult):
-  """A TestResult which forwards events to a parent object, except for Skips."""
-
-  def __init__(self, parent_result):
-    unittest.TestResult.__init__(self)
-    self.parent_result = parent_result
-
-  def addError(self, test, error):
-    self.parent_result.addError(test, error)
-
-  def addFailure(self, test, error):
-    self.parent_result.addFailure(test, error)
-
-  def addSkip(self, test, reason):
-    pass
-
-
-class ReferenceLeakCheckerTestCase(unittest.TestCase):
-  """A TestCase which runs tests multiple times, collecting reference counts."""
-
-  NB_RUNS = 3
-
-  def run(self, result=None):
-    # python_message.py registers all Message classes to some pickle global
-    # registry, which makes the classes immortal.
-    # We save a copy of this registry, and reset it before we could references.
-    self._saved_pickle_registry = copyreg.dispatch_table.copy()
-
-    # Run the test twice, to warm up the instance attributes.
-    super(ReferenceLeakCheckerTestCase, self).run(result=result)
-    super(ReferenceLeakCheckerTestCase, self).run(result=result)
-
-    oldrefcount = 0
-    local_result = LocalTestResult(result)
-
-    refcount_deltas = []
-    for _ in range(self.NB_RUNS):
-      oldrefcount = self._getRefcounts()
-      super(ReferenceLeakCheckerTestCase, self).run(result=local_result)
-      newrefcount = self._getRefcounts()
-      refcount_deltas.append(newrefcount - oldrefcount)
-    print(refcount_deltas, self)
-
-    try:
-      self.assertEqual(refcount_deltas, [0] * self.NB_RUNS)
-    except Exception:  # pylint: disable=broad-except
-      result.addError(self, sys.exc_info())
-
-  def _getRefcounts(self):
-    copyreg.dispatch_table.clear()
-    copyreg.dispatch_table.update(self._saved_pickle_registry)
-    # It is sometimes necessary to gc.collect() multiple times, to ensure
-    # that all objects can be collected.
-    gc.collect()
-    gc.collect()
-    gc.collect()
-    return sys.gettotalrefcount()
-
-
-if hasattr(sys, 'gettotalrefcount'):
-  BaseTestCase = ReferenceLeakCheckerTestCase
-  SkipReferenceLeakChecker = unittest.skip
-
-else:
-  # When PyDEBUG is not enabled, run the tests normally.
-  BaseTestCase = unittest.TestCase
-
-  def SkipReferenceLeakChecker(reason):
-    del reason  # Don't skip, so don't need a reason.
-    def Same(func):
-      return func
-    return Same