1 files changed, 11 insertions, 0 deletions
diff --git a/base/threading/thread_local_storage.cc b/base/threading/thread_local_storage.cc
index 48c1dd58c2..90ae69e90e 100644
--- a/base/threading/thread_local_storage.cc
+++ b/base/threading/thread_local_storage.cc
@@ -247,6 +247,17 @@ void PlatformThreadLocalStorage::OnThreadExit() {
 void PlatformThreadLocalStorage::OnThreadExit(void* value) {
   OnThreadExitInternal(static_cast<TlsVectorEntry*>(value));
 }
+
+// static
+void PlatformThreadLocalStorage::ForceFreeTLS() {
+  PlatformThreadLocalStorage::TLSKey key =
+      base::subtle::NoBarrier_AtomicExchange(
+          &g_native_tls_key,
+          PlatformThreadLocalStorage::TLS_KEY_OUT_OF_INDEXES);
+  if (key == PlatformThreadLocalStorage::TLS_KEY_OUT_OF_INDEXES)
+    return;
+  PlatformThreadLocalStorage::FreeTLS(key);
+}
 #endif  // defined(OS_WIN)
 
 }  // namespace internal