Import Cobalt 19.master.0.205881
diff --git a/src/base/test/gtest_util.h b/src/base/test/gtest_util.h
new file mode 100644
index 0000000..25610c6
--- /dev/null
+++ b/src/base/test/gtest_util.h
@@ -0,0 +1,125 @@
+// 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.
+
+#ifndef BASE_TEST_GTEST_UTIL_H_
+#define BASE_TEST_GTEST_UTIL_H_
+
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "base/compiler_specific.h"
+#include "base/logging.h"
+#include "build/build_config.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+// EXPECT/ASSERT_DCHECK_DEATH is intended to replace EXPECT/ASSERT_DEBUG_DEATH
+// when the death is expected to be caused by a DCHECK. Contrary to
+// EXPECT/ASSERT_DEBUG_DEATH however, it doesn't execute the statement in non-
+// dcheck builds as DCHECKs are intended to catch things that should never
+// happen and as such executing the statement results in undefined behavior
+// (|statement| is compiled in unsupported configurations nonetheless).
+// Death tests misbehave on Android.
+#if DCHECK_IS_ON() && defined(GTEST_HAS_DEATH_TEST) && !defined(OS_ANDROID)
+
+// EXPECT/ASSERT_DCHECK_DEATH tests verify that a DCHECK is hit ("Check failed"
+// is part of the error message), but intentionally do not expose the gtest
+// death test's full |regex| parameter to avoid users having to verify the exact
+// syntax of the error message produced by the DCHECK.
+#define EXPECT_DCHECK_DEATH(statement) EXPECT_DEATH(statement, "Check failed")
+#define ASSERT_DCHECK_DEATH(statement) ASSERT_DEATH(statement, "Check failed")
+
+#else
+// DCHECK_IS_ON() && defined(GTEST_HAS_DEATH_TEST) && !defined(OS_ANDROID)
+
+// Macro copied from gtest-death-test-internal.h as it's (1) internal for now
+// and (2) only defined if !GTEST_HAS_DEATH_TEST which is only a subset of the
+// conditions in which it's needed here.
+// TODO(gab): Expose macro in upstream gtest repo for consumers like us that
+// want more specific death tests and remove this hack.
+#define GTEST_UNSUPPORTED_DEATH_TEST(statement, regex, terminator)  \
+  GTEST_AMBIGUOUS_ELSE_BLOCKER_                                     \
+  if (::testing::internal::AlwaysTrue()) {                          \
+    GTEST_LOG_(WARNING)                                             \
+        << "Death tests are not supported in this configuration.\n" \
+        << "Statement '" #statement "' cannot be verified.";        \
+  } else if (::testing::internal::AlwaysFalse()) {                  \
+    ::testing::internal::RE::PartialMatch(".*", (regex));           \
+    GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement);      \
+    terminator;                                                     \
+  } else                                                            \
+    ::testing::Message()
+
+#define EXPECT_DCHECK_DEATH(statement) \
+    GTEST_UNSUPPORTED_DEATH_TEST(statement, "Check failed", )
+#define ASSERT_DCHECK_DEATH(statement) \
+    GTEST_UNSUPPORTED_DEATH_TEST(statement, "Check failed", return)
+
+#endif
+// DCHECK_IS_ON() && defined(GTEST_HAS_DEATH_TEST) && !defined(OS_ANDROID)
+
+// As above, but for CHECK().
+#if defined(GTEST_HAS_DEATH_TEST) && !defined(OS_ANDROID)
+
+// Official builds will CHECK, but also eat stream parameters. So match "".
+#if defined(OFFICIAL_BUILD) && defined(NDEBUG)
+#define EXPECT_CHECK_DEATH(statement) EXPECT_DEATH(statement, "")
+#define ASSERT_CHECK_DEATH(statement) ASSERT_DEATH(statement, "")
+#else
+#define EXPECT_CHECK_DEATH(statement) EXPECT_DEATH(statement, "Check failed")
+#define ASSERT_CHECK_DEATH(statement) ASSERT_DEATH(statement, "Check failed")
+#endif  // defined(OFFICIAL_BUILD) && defined(NDEBUG)
+
+#else  // defined(GTEST_HAS_DEATH_TEST) && !defined(OS_ANDROID)
+
+// Note GTEST_UNSUPPORTED_DEATH_TEST takes a |regex| only to see whether it is a
+// valid regex. It is never evaluated.
+#define EXPECT_CHECK_DEATH(statement) \
+  GTEST_UNSUPPORTED_DEATH_TEST(statement, "", )
+#define ASSERT_CHECK_DEATH(statement) \
+  GTEST_UNSUPPORTED_DEATH_TEST(statement, "", return )
+
+#endif  // defined(GTEST_HAS_DEATH_TEST) && !defined(OS_ANDROID)
+
+namespace base {
+
+class FilePath;
+
+struct TestIdentifier {
+  TestIdentifier();
+  TestIdentifier(const TestIdentifier& other);
+
+  std::string test_case_name;
+  std::string test_name;
+  std::string file;
+  int line;
+};
+
+// Constructs a full test name given a test case name and a test name,
+// e.g. for test case "A" and test name "B" returns "A.B".
+std::string FormatFullTestName(const std::string& test_case_name,
+                               const std::string& test_name);
+
+// Returns the full test name with the "DISABLED_" prefix stripped out.
+// e.g. for the full test names "A.DISABLED_B", "DISABLED_A.B", and
+// "DISABLED_A.DISABLED_B", returns "A.B".
+std::string TestNameWithoutDisabledPrefix(const std::string& full_test_name);
+
+// Returns a vector of gtest-based tests compiled into
+// current executable.
+std::vector<TestIdentifier> GetCompiledInTests();
+
+// Writes the list of gtest-based tests compiled into
+// current executable as a JSON file. Returns true on success.
+bool WriteCompiledInTestsToFile(const FilePath& path) WARN_UNUSED_RESULT;
+
+// Reads the list of gtest-based tests from |path| into |output|.
+// Returns true on success.
+bool ReadTestNamesFromFile(
+    const FilePath& path,
+    std::vector<TestIdentifier>* output) WARN_UNUSED_RESULT;
+
+}  // namespace base
+
+#endif  // BASE_TEST_GTEST_UTIL_H_