Move non_thread_safe from base to base/threading and into the base namespace.

TEST=it compiles
BUG=none
Review URL: http://codereview.chromium.org/6005010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@70351 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 60 deletions

diff --git a/base/non_thread_safe.h b/base/non_thread_safe.h
deleted file mode 100644
index 24a9012..0000000
--- a/base/non_thread_safe.h
+++ /dev/null
@@ -1,60 +0,0 @@
-// 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.
-
-#ifndef BASE_NON_THREAD_SAFE_H_
-#define BASE_NON_THREAD_SAFE_H_
-#pragma once
-
-#include "base/threading/thread_checker.h"
-
-// A helper class used to help verify that methods of a class are
-// called from the same thread.  One can inherit from this class and use
-// CalledOnValidThread() to verify.
-//
-// This is intended to be used with classes that appear to be thread safe, but
-// aren't.  For example, a service or a singleton like the preferences system.
-//
-// Example:
-// class MyClass : public NonThreadSafe {
-//  public:
-//   void Foo() {
-//     DCHECK(CalledOnValidThread());
-//     ... (do stuff) ...
-//   }
-// }
-//
-// In Release mode, CalledOnValidThread will always return true.
-//
-#ifndef NDEBUG
-class NonThreadSafe {
- public:
-  ~NonThreadSafe();
-
-  bool CalledOnValidThread() const;
-
- protected:
-  // Changes the thread that is checked for in CalledOnValidThread. The next
-  // call to CalledOnValidThread will attach this class to a new thread. It is
-  // up to the NonThreadSafe derived class to decide to expose this or not.
-  // This may be useful when an object may be created on one thread and then
-  // used exclusively on another thread.
-  void DetachFromThread();
-
- private:
-  base::ThreadChecker thread_checker_;
-};
-#else
-// Do nothing in release mode.
-class NonThreadSafe {
- public:
-  bool CalledOnValidThread() const {
-    return true;
-  }
-
- protected:
-  void DetachFromThread() {}
-};
-#endif  // NDEBUG
-
-#endif  // BASE_NON_THREAD_SAFE_H_