Add everything from src/tools/isolate r159537.

tests/gtest_fake/gtest_fake_pass.py

Index: tests/gtest_fake/gtest_fake_pass.py
diff --git a/tests/gtest_fake/gtest_fake_pass.py b/tests/gtest_fake/gtest_fake_pass.py
new file mode 100755
index 0000000000000000000000000000000000000000..534b3e81522002d3fcbc628dab7d7266a7ef641b
--- /dev/null
+++ b/tests/gtest_fake/gtest_fake_pass.py
@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+# Copyright (c) 2012 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.
+
+"""Simulate a passing google-test executable.
+
+http://code.google.com/p/googletest/
+"""
+
+import optparse
+import sys
+
+import gtest_fake_base
+
+
+TESTS = {
+  'Foo': ['Bar1', 'Bar2', 'Bar3'],
+}
+TOTAL = sum(len(v) for v in TESTS.itervalues())
+
+
+def main():
+  parser = optparse.OptionParser()
+  parser.add_option('--gtest_list_tests', action='store_true')
+  parser.add_option('--gtest_filter')
+  options, args = parser.parse_args()
+  if args:
+    parser.error('Failed to process args %s' % args)
+
+  if options.gtest_list_tests:
+    for fixture, cases in TESTS.iteritems():
+      print '%s.' % fixture
+      for case in cases:
+        print '  ' + case
+    print '  YOU HAVE 2 tests with ignored failures (FAILS prefix)'
+    print ''
+    return 0
+
+  if options.gtest_filter:
+    # Simulate running one test.
+    print 'Note: Google Test filter = %s\n' % options.gtest_filter
+    print gtest_fake_base.get_test_output(options.gtest_filter)
+    print gtest_fake_base.get_footer(1, 1)
+    return 0
+
+  for fixture, cases in TESTS.iteritems():
+    for case in cases:
+      print gtest_fake_base.get_test_output('%s.%s' % (fixture, case))
+  print gtest_fake_base.get_footer(TOTAL, TOTAL)
+  return 0
+
+
+if __name__ == '__main__':
+  sys.exit(main())