Non-SFI mode: Implement test launcher for nacl_helper_nonsfi_unittests

components/nacl/loader/nonsfi/nonsfi_sandbox_unittest.cc

 // 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.
 
 // Sanitizers internally use some syscalls which non-SFI NaCl disallows.
 #if !defined(ADDRESS_SANITIZER) && !defined(THREAD_SANITIZER) && \
     !defined(MEMORY_SANITIZER) && !defined(LEAK_SANITIZER)
 
 #include "components/nacl/loader/nonsfi/nonsfi_sandbox.h"
 
@@ skipping 470 matching lines @@
                  DEATH_SEGV_MESSAGE(
                      sandbox::GetFutexErrorMessageContentForTests()),
                  nacl::nonsfi::NaClNonSfiBPFSandboxPolicy) {
   syscall(__NR_futex, NULL, FUTEX_CMP_REQUEUE_PI_PRIVATE, 0, NULL, NULL, 0);
   _exit(1);
 }
 
 BPF_TEST_C(NaClNonSfiSandboxTest,
            StartingAndJoiningThreadWorks,
            nacl::nonsfi::NaClNonSfiBPFSandboxPolicy) {
-#if defined(OS_NACL_NONSFI)
-  // base::Thread internally uses LazyInstance, which registers a callback to
-  // AtExitManager. However, in PNaCl toolchain build, it is not instantiated
-  // by the test runner, unlike host toolchain build (nacl_loader_unittests).
-  // Hence, declare it here so that the LazyInstance will work properly.
-  base::AtExitManager at_exit;
-#endif
-
   base::Thread thread("sandbox_tests");
   BPF_ASSERT(thread.Start());
   // |thread|'s destructor will join the thread.
 }
 
 BPF_DEATH_TEST_C(NaClNonSfiSandboxTest,
                  FutexWithUnlockPIPrivate,
                  DEATH_SEGV_MESSAGE(
                      sandbox::GetFutexErrorMessageContentForTests()),
                  nacl::nonsfi::NaClNonSfiBPFSandboxPolicy) {
@@ skipping 168 matching lines @@
 RESTRICT_SYSCALL_EPERM_TEST(ptrace);
 RESTRICT_SYSCALL_EPERM_TEST(set_robust_list);
 #if defined(__i386__) || defined(__x86_64__)
 RESTRICT_SYSCALL_EPERM_TEST(time);
 #endif
 
 }  // namespace
 
 #endif  // !ADDRESS_SANITIZER && !THREAD_SANITIZER &&
         // !MEMORY_SANITIZER && !LEAK_SANITIZER