Added CPP wrapper for PPB_TCPServerSocket_Private.

ppapi/cpp/private/tcp_server_socket_private.h

Index: ppapi/cpp/private/tcp_server_socket_private.h
diff --git a/ppapi/cpp/private/tcp_server_socket_private.h b/ppapi/cpp/private/tcp_server_socket_private.h
new file mode 100644
index 0000000000000000000000000000000000000000..3d40cea7faea257a19b77d88cd646ddd4fdd71e9
--- /dev/null
+++ b/ppapi/cpp/private/tcp_server_socket_private.h
@@ -0,0 +1,38 @@
+// 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.
+
+#ifndef PPAPI_CPP_PRIVATE_TCP_SERVER_SOCKET_PRIVATE_H_
+#define PPAPI_CPP_PRIVATE_TCP_SERVER_SOCKET_PRIVATE_H_
+
+#include "ppapi/c/pp_stdint.h"
+#include "ppapi/c/private/ppb_tcp_server_socket_private.h"
+#include "ppapi/cpp/resource.h"
+
+namespace pp {
+
+class CompletionCallback;
+class InstanceHandle;
+
+class TCPServerSocketPrivate : public Resource {
+ public:
+  explicit TCPServerSocketPrivate(const InstanceHandle& instance);
+
+  // Returns true if the required interface is available.
+  static bool IsAvailable();
+
+  int32_t Listen(const PP_NetAddress_Private* addr,
+                 int32_t backlog,
+                 const CompletionCallback& callback);
+  // Accepts incoming connection and stores resource of accepted
+  // socket into |socket|. If Accept returns PP_OK_COMPLETIONPENDING,
+  // the memory pointed by |socket| should stay valid until the
+  // |callback| is called or StopListening method is called.
+  int32_t Accept(PP_Resource* socket,
+                 const CompletionCallback& callback);
+  void StopListening();
+};
+
+}  // namespace pp
+
+#endif  // PPAPI_CPP_PRIVATE_TCP_SERVER_SOCKET_PRIVATE_H_