Cast: Provide more meaningful stats.

media/cast/test/fake_receiver_time_offset_estimator.h

+// 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_FAKE_RECEIVER_TIME_OFFSET_ESTIMATOR_H_
+#define MEDIA_CAST_TEST_FAKE_RECEIVER_TIME_OFFSET_ESTIMATOR_H_
+
+#include "base/time/time.h"
+#include "base/threading/thread_checker.h"
+#include "media/cast/logging/logging_defines.h"
+#include "media/cast/logging/receiver_time_offset_estimator.h"
+
+namespace media {
+namespace cast {
+namespace test {
+
+// This class is used for testing. It will always return the |offset| value
+// provided during construction as offset bounds.
+class FakeReceiverTimeOffsetEstimator : public ReceiverTimeOffsetEstimator {
+ public:
+  FakeReceiverTimeOffsetEstimator(base::TimeDelta offset);
+
+  virtual ~FakeReceiverTimeOffsetEstimator();
+
+  // RawReventSubscriber implementations.
+  virtual void OnReceiveFrameEvent(const FrameEvent& frame_event) OVERRIDE;
+  virtual void OnReceivePacketEvent(const PacketEvent& packet_event) OVERRIDE;
+
+  // ReceiverTimeOffsetEstimator
+  virtual bool GetReceiverOffsetBounds(base::TimeDelta* lower_bound,
+                                       base::TimeDelta* upper_bound) OVERRIDE;
+
+ private:
+  const base::TimeDelta offset_;
+  DISALLOW_COPY_AND_ASSIGN(FakeReceiverTimeOffsetEstimator);
+};
+
+}  // namespace test
+}  // namespace cast
+}  // namespace media
+
+#endif  // MEDIA_CAST_TEST_FAKE_RECEIVER_TIME_OFFSET_ESTIMATOR_H_