Revert 194649 "Remove scoped_array from Chromium."

trunk/src/base/callback_internal.h

 // Copyright (c) 2012 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 file contains utility functions and classes that help the
 // implementation, and management of the Callback objects.
 
 #ifndef BASE_CALLBACK_INTERNAL_H_
 #define BASE_CALLBACK_INTERNAL_H_
 
@@ skipping 118 matching lines @@
 //
 // TODO(ajwong): We might be able to use SFINAE to search for the existence of
 // a Pass() function in the type and avoid the whitelist in CallbackParamTraits
 // and CallbackForward.
 template <typename T, typename D>
 struct CallbackParamTraits<scoped_ptr<T, D> > {
   typedef scoped_ptr<T, D> ForwardType;
   typedef scoped_ptr<T, D> StorageType;
 };
 
+template <typename T>
+struct CallbackParamTraits<scoped_array<T> > {
+  typedef scoped_array<T> ForwardType;
+  typedef scoped_array<T> StorageType;
+};
+
 template <typename T, typename R>
 struct CallbackParamTraits<scoped_ptr_malloc<T, R> > {
   typedef scoped_ptr_malloc<T, R> ForwardType;
   typedef scoped_ptr_malloc<T, R> StorageType;
 };
 
 template <typename T>
 struct CallbackParamTraits<ScopedVector<T> > {
   typedef ScopedVector<T> ForwardType;
   typedef ScopedVector<T> StorageType;
@@ skipping 14 matching lines @@
 // In addition to Callback/Bind, this is used by PostTaskAndReplyWithResult to
 // simulate std::forward() and forward the result of one Callback as a
 // parameter to another callback. This is to support Callbacks that return
 // the movable-but-not-copyable types whitelisted above.
 template <typename T>
 T& CallbackForward(T& t) { return t; }
 
 template <typename T, typename D>
 scoped_ptr<T, D> CallbackForward(scoped_ptr<T, D>& p) { return p.Pass(); }
 
+template <typename T>
+scoped_array<T> CallbackForward(scoped_array<T>& p) { return p.Pass(); }
+
 template <typename T, typename R>
 scoped_ptr_malloc<T, R> CallbackForward(scoped_ptr_malloc<T, R>& p) {
   return p.Pass();
 }
 
 template <typename T>
 ScopedVector<T> CallbackForward(ScopedVector<T>& p) { return p.Pass(); }
 
 }  // namespace internal
 }  // namespace base
 
 #endif  // BASE_CALLBACK_INTERNAL_H_