Mojo: AsyncWaiter and mojo/public/environment

mojo/public/environment/buffer_tls.h

Index: mojo/public/environment/buffer_tls.h
diff --git a/mojo/public/environment/buffer_tls.h b/mojo/public/environment/buffer_tls.h
new file mode 100644
index 0000000000000000000000000000000000000000..60929e9413b9fdedc8d2c24735bf717d08d81c86
--- /dev/null
+++ b/mojo/public/environment/buffer_tls.h
@@ -0,0 +1,20 @@
+// Copyright 2014 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 MOJO_PUBLIC_ENVIRONMENT_BUFFER_TLS_H_
+#define MOJO_PUBLIC_ENVIRONMENT_BUFFER_TLS_H_
+
+namespace mojo {
+class Buffer;
+
+namespace internal {
+
+// Get/Set the |Buffer*| associated with current thread.
+Buffer* GetCurrentBuffer();
+Buffer* SetCurrentBuffer(Buffer* buffer);
+
+}  // namespace internal
+}  // namespace mojo
+
+#endif  // MOJO_PUBLIC_ENVIRONMENT_BUFFER_TLS_H_