Revert of Refactor thread_local.h's TLS Implementation to use ThreadLocalStorage

base/threading/thread_local_win.cc

Index: base/threading/thread_local_win.cc
diff --git a/base/threading/thread_local_win.cc b/base/threading/thread_local_win.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1c74e42138718f7b3d5455328ac2207cdbeec1dc
--- /dev/null
+++ b/base/threading/thread_local_win.cc
@@ -0,0 +1,40 @@
+// Copyright (c) 2010 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.
+
+#include "base/threading/thread_local.h"
+
+#include <windows.h>
+
+#include "base/logging.h"
+
+namespace base {
+namespace internal {
+
+// static
+void ThreadLocalPlatform::AllocateSlot(SlotType* slot) {
+  *slot = TlsAlloc();
+  CHECK_NE(*slot, TLS_OUT_OF_INDEXES);
+}
+
+// static
+void ThreadLocalPlatform::FreeSlot(SlotType slot) {
+  if (!TlsFree(slot)) {
+    NOTREACHED() << "Failed to deallocate tls slot with TlsFree().";
+  }
+}
+
+// static
+void* ThreadLocalPlatform::GetValueFromSlot(SlotType slot) {
+  return TlsGetValue(slot);
+}
+
+// static
+void ThreadLocalPlatform::SetValueInSlot(SlotType slot, void* value) {
+  if (!TlsSetValue(slot, value)) {
+    LOG(FATAL) << "Failed to TlsSetValue().";
+  }
+}
+
+}  // namespace internal
+}  // namespace base