Move thread local stuff from base to base/threading and consistently use the...

base/threading/thread_local_storage.h

 // Copyright (c) 2006-2008 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.
 
-#ifndef BASE_THREAD_LOCAL_STORAGE_H_
-#define BASE_THREAD_LOCAL_STORAGE_H_
+#ifndef BASE_THREADING_THREAD_LOCAL_STORAGE_H_
+#define BASE_THREADING_THREAD_LOCAL_STORAGE_H_
 #pragma once
 
 #include "base/basictypes.h"
 
 #if defined(OS_POSIX)
 #include <pthread.h>
 #endif
 
+namespace base {
+
 // Wrapper for thread local storage.  This class doesn't do much except provide
 // an API for portability.
 class ThreadLocalStorage {
  public:
 
   // Prototype for the TLS destructor function, which can be optionally used to
   // cleanup thread local storage on thread exit.  'value' is the data that is
   // stored in thread local storage.
   typedef void (*TLSDestructorFunc)(void* value);
 
@@ skipping 56 matching lines @@
   static const int kThreadLocalStorageSize = 64;
 
   static long tls_key_;
   static long tls_max_;
   static TLSDestructorFunc tls_destructors_[kThreadLocalStorageSize];
 #endif  // OS_WIN
 
   DISALLOW_COPY_AND_ASSIGN(ThreadLocalStorage);
 };
 
-// Temporary backwards-compatible name.
-// TODO(evanm): replace all usage of TLSSlot.
-typedef ThreadLocalStorage::Slot TLSSlot;
+}  // namespace base
 
-#endif  // BASE_THREAD_LOCAL_STORAGE_H_
+#endif  // BASE_THREADING_THREAD_LOCAL_STORAGE_H_