1 files changed, 19 insertions, 0 deletions
diff --git a/security/sandbox/chromium/base/callback_forward.h b/security/sandbox/chromium/base/callback_forward.h
new file mode 100644
index 000000000..a9a263a50
--- /dev/null
+++ b/security/sandbox/chromium/base/callback_forward.h
@@ -0,0 +1,19 @@
+// 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.
+
+#ifndef BASE_CALLBACK_FORWARD_H_
+#define BASE_CALLBACK_FORWARD_H_
+
+namespace base {
+
+template <typename Sig>
+class Callback;
+
+// Syntactic sugar to make Callback<void()> easier to declare since it
+// will be used in a lot of APIs with delayed execution.
+using Closure = Callback<void()>;
+
+}  // namespace base
+
+#endif  // BASE_CALLBACK_FORWARD_H_