Add PTHREAD_PRIO_INHERIT to POSIX Locks

sandbox/linux/seccomp-bpf-helpers/baseline_policy_unittest.cc

Index: sandbox/linux/seccomp-bpf-helpers/baseline_policy_unittest.cc
diff --git a/sandbox/linux/seccomp-bpf-helpers/baseline_policy_unittest.cc b/sandbox/linux/seccomp-bpf-helpers/baseline_policy_unittest.cc
index f0392b1a0028b677d906ec3d7ddea5531f4eee0f..d2bb18f036ff0a7f7ef822edbc27031768f60aa8 100644
--- a/sandbox/linux/seccomp-bpf-helpers/baseline_policy_unittest.cc
+++ b/sandbox/linux/seccomp-bpf-helpers/baseline_policy_unittest.cc
@@ -25,6 +25,7 @@
 #include "base/files/scoped_file.h"
 #include "base/macros.h"
 #include "base/posix/eintr_wrapper.h"
+#include "base/synchronization/lock.h"
 #include "base/threading/thread.h"
 #include "build/build_config.h"
 #include "sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.h"
@@ -248,6 +249,7 @@ TEST_BASELINE_SIGSYS(__NR_inotify_init);
 TEST_BASELINE_SIGSYS(__NR_vserver);
 #endif
 
+#if !PRIORITY_INHERITANCE_LOCKS_POSSIBLE()
 #if defined(LIBC_GLIBC) && !defined(OS_CHROMEOS)
 BPF_TEST_C(BaselinePolicy, FutexEINVAL, BaselinePolicy) {
   int ops[] = {
@@ -260,7 +262,7 @@ BPF_TEST_C(BaselinePolicy, FutexEINVAL, BaselinePolicy) {
     BPF_ASSERT_EQ(EINVAL, errno);
   }
 }
-#else
+#else  // defined(LIBC_GLIBC) && !defined(OS_CHROMEOS)
 BPF_DEATH_TEST_C(BaselinePolicy,
                  FutexWithRequeuePriorityInheritence,
                  DEATH_SEGV_MESSAGE(GetFutexErrorMessageContentForTests()),
@@ -285,6 +287,7 @@ BPF_DEATH_TEST_C(BaselinePolicy,
   _exit(1);
 }
 #endif  // defined(LIBC_GLIBC) && !defined(OS_CHROMEOS)
+#endif  // !PRIORITY_INHERITANCE_LOCKS_POSSIBLE()
 
 BPF_TEST_C(BaselinePolicy, PrctlDumpable, BaselinePolicy) {
   const int is_dumpable = prctl(PR_GET_DUMPABLE, 0, 0, 0, 0);