Set coverage path globs on a per-Test basis instead of in main().

scripts/slave/unittests/expect_tests/util.py

+# 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.
+
+import inspect
+
+EXPECT_TESTS_COVER_FUNCTION = 'EXPECT_TESTS_COVER_FUNCTION'
+
+def covers(coverage_path_function):
+  """Allows annotation of a Test generator function with a function that will
+  return a list of coverage patterns which should be enabled during the use of
+  the Test generator function.
+  """
+  def _decorator(func):
+    setattr(func, EXPECT_TESTS_COVER_FUNCTION, coverage_path_function)
+    return func
+  return _decorator
+
+
+def get_cover_list(test_gen_function):
+  """Given a Test generator, return the list of coverage globs that should
+  be included while executing the Test generator."""
+  if hasattr(test_gen_function, EXPECT_TESTS_COVER_FUNCTION):
+    # decorated with expect_tests.covers
+    return test_gen_function._covers()  # pylint: disable=W0212

[Vadim Sh., 2014/06/30 17:29:11]

_covers? 

But judging by another CL, you already have this fixed in you local checkout...

+  else:
+    return [inspect.getabsfile(test_gen_function)]