Remove some unneeded reinterpret_casts

base/threading/thread_local.h

 // Copyright (c) 2011 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.
 
 // WARNING: Thread local storage is a bit tricky to get right.  Please make
 // sure that this is really the proper solution for what you're trying to
 // achieve.  Don't prematurely optimize, most likely you can just use a Lock.
 //
 // These classes implement a wrapper around the platform's TLS storage
 // mechanism.  On construction, they will allocate a TLS slot, and free the
@@ skipping 96 matching lines @@
 class ThreadLocalBoolean {
  public:
   ThreadLocalBoolean() { }
   ~ThreadLocalBoolean() { }
 
   bool Get() {
     return tlp_.Get() != NULL;
   }
 
   void Set(bool val) {
-    tlp_.Set(reinterpret_cast<void*>(val ? 1 : 0));
+    tlp_.Set(val ? this : NULL);
   }
 
  private:
   ThreadLocalPointer<void> tlp_;
 
   DISALLOW_COPY_AND_ASSIGN(ThreadLocalBoolean);
 };
 
 }  // namespace base
 
 #endif  // BASE_THREADING_THREAD_LOCAL_H_