mach_port_deallocate() the result of mach_thread_self(), which obtains a port send right.

base/logging.cc

Index: base/logging.cc
diff --git a/base/logging.cc b/base/logging.cc
index 149bdda80c88c01e0144e5c88cc9651bf72b5807..f8f528762805701e97813098d3af97b9f4bf8ebf 100644
--- a/base/logging.cc
+++ b/base/logging.cc
@@ -51,6 +51,7 @@ typedef pthread_mutex_t* MutexHandle;
 #include "base/eintr_wrapper.h"
 #include "base/string_piece.h"
 #include "base/synchronization/lock_impl.h"
+#include "base/threading/platform_thread.h"
 #include "base/utf_string_conversions.h"
 #include "base/vlog.h"
 #if defined(OS_POSIX)
@@ -129,22 +130,6 @@ int32 CurrentProcessId() {
 #endif
 }
 
-int32 CurrentThreadId() {
-#if defined(OS_WIN)
-  return GetCurrentThreadId();
-#elif defined(OS_MACOSX)
-  return mach_thread_self();
-#elif defined(OS_LINUX)
-  return syscall(__NR_gettid);
-#elif defined(OS_ANDROID)
-  return gettid();
-#elif defined(OS_NACL)
-  return pthread_self();
-#elif defined(OS_POSIX)
-  return reinterpret_cast<int64>(pthread_self());
-#endif
-}
-
 uint64 TickCount() {
 #if defined(OS_WIN)
   return GetTickCount();
@@ -690,7 +675,7 @@ void LogMessage::Init(const char* file, int line) {
   if (log_process_id)
     stream_ << CurrentProcessId() << ':';
   if (log_thread_id)
-    stream_ << CurrentThreadId() << ':';
+    stream_ << base::PlatformThread::CurrentId() << ':';
   if (log_timestamp) {
     time_t t = time(NULL);
     struct tm local_time = {0};