Move windows specific lock-recursion-counter into windows impl file...

base/lock_impl.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_LOCK_IMPL_H_
 #define BASE_LOCK_IMPL_H_
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
@@ skipping 30 matching lines @@
   void Unlock();
 
   // Return the native underlying lock.
   // TODO(awalker): refactor lock and condition variables so that this is
   // unnecessary.
   OSLockType* os_lock() { return &os_lock_; }
 
  private:
   OSLockType os_lock_;
 
+#if !defined(NDEBUG) && defined(OS_WIN)
+  // All private data is implicitly protected by lock_.
+  // Be VERY careful to only access members under that lock.
+  int32 recursion_count_shadow_;
+  bool recursion_used_;      // Allow debugging to continued after a DCHECK().
+#endif  // NDEBUG
+
   DISALLOW_COPY_AND_ASSIGN(LockImpl);
 };
 
 class AutoLockImpl {
  public:
   AutoLockImpl(LockImpl* lock_impl)
       : lock_impl_(lock_impl) {
     lock_impl_->Lock();
   }
 
   ~AutoLockImpl() {
     lock_impl_->Unlock();
   }
 
  private:
   DISALLOW_EVIL_CONSTRUCTORS(AutoLockImpl);
 
   LockImpl* lock_impl_;
 };
 
 #endif  // BASE_LOCK_IMPL_H_