Cast: Update simulator tool with more inputs.

media/cast/test/loopback_transport.h

Index: media/cast/test/loopback_transport.h
diff --git a/media/cast/test/loopback_transport.h b/media/cast/test/loopback_transport.h
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index 0000000000000000000000000000000000000000..83d4f7288747219cb58321f83810e2ad49b60031
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+++ b/media/cast/test/loopback_transport.h
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+// 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 MEDIA_CAST_TEST_LOOPBACK_TRANSPORT_H_
+#define MEDIA_CAST_TEST_LOOPBACK_TRANSPORT_H_
+
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "media/cast/cast_environment.h"
+#include "media/cast/transport/cast_transport_config.h"
+
+namespace base {
+class SingleThreadTaskRunner;
+class TickClock;
+}  // namespace base
+
+namespace media {
+namespace cast {
+
+namespace test {
+class PacketPipe;
+}  // namespace test
+
+// Class that sends the packet to a receiver through a stack of PacketPipes.
+class LoopBackTransport : public transport::PacketSender {
+ public:
+  explicit LoopBackTransport(
+      scoped_refptr<CastEnvironment> cast_environment);
+
+  virtual bool SendPacket(transport::PacketRef packet,
+                          const base::Closure& cb) OVERRIDE;
+
+  // Initiailize this loopback transport.
+  // Establish a flow of packets from |pipe| to |packet_receiver|.
+  // The data flow looks like:
+  // SendPacket() -> |pipe| -> Fake loopback pipe -> |packet_receiver|.
+  void Initialize(
+      scoped_ptr<test::PacketPipe> pipe,
+      const transport::PacketReceiverCallback& packet_receiver,
+      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
+      base::TickClock* clock);
+
+ private:
+  const scoped_refptr<CastEnvironment> cast_environment_;
+  scoped_ptr<test::PacketPipe> packet_pipe_;
+
+  DISALLOW_COPY_AND_ASSIGN(LoopBackTransport);
+};
+
+}  // namespace cast
+}  // namespace media
+
+#endif  // MEDIA_CAST_TEST_LOOPBACK_TRANSPORT_H_