Add Reset to ScopedClosureRunner.

base/bind_helpers.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.
 
 // This defines a set of argument wrappers and related factory methods that
 // can be used specify the refcounting and reference semantics of arguments
 // that are bound by the Bind() function in base/bind.h.
 //
 // It also defines a set of simple functions and utilities that people want
 // when using Callback<> and Bind().
@@ skipping 532 matching lines @@
   delete obj;
 }
 
 // ScopedClosureRunner is akin to scoped_ptr for Closures. It ensures that the
 // Closure is executed and deleted no matter how the current scope exits.
 class BASE_EXPORT ScopedClosureRunner {
  public:
   explicit ScopedClosureRunner(const Closure& closure);
   ~ScopedClosureRunner();
 
+  void Reset(const Closure& closure);
   Closure Release();
 
  private:
   Closure closure_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ScopedClosureRunner);
 };
 
 }  // namespace base
 
 #endif  // BASE_BIND_HELPERS_H_