Add glue between the client and engine for Blimp

blimp/net/null_blimp_message_processor.h

Index: blimp/net/null_blimp_message_processor.h
diff --git a/blimp/net/null_blimp_message_processor.h b/blimp/net/null_blimp_message_processor.h
new file mode 100644
index 0000000000000000000000000000000000000000..aa3fc686a28b8d1ef6939b1f9dce6989b56871fd
--- /dev/null
+++ b/blimp/net/null_blimp_message_processor.h
@@ -0,0 +1,27 @@
+// Copyright 2015 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 BLIMP_NET_NULL_BLIMP_MESSAGE_PROCESSOR_H_
+#define BLIMP_NET_NULL_BLIMP_MESSAGE_PROCESSOR_H_
+
+#include "blimp/net/blimp_message_processor.h"
+#include "blimp/net/blimp_net_export.h"
+#include "net/base/net_errors.h"
+
+namespace blimp {
+
+// Dumps all incoming messages into a black hole and immediately notifies the
+// callback of success.
+class BLIMP_NET_EXPORT NullBlimpMessageProcessor
+    : public BlimpMessageProcessor {
+ public:
+  ~NullBlimpMessageProcessor() override;
+
+  void ProcessMessage(scoped_ptr<BlimpMessage> message,
+                      const net::CompletionCallback& callback) override;
+};
+
+}  // namespace blimp
+
+#endif  // BLIMP_NET_NULL_BLIMP_MESSAGE_PROCESSOR_H_