Removing DataSource from Filter hierarchy

media/base/mock_data_source_host.h

+// Copyright (c) 2011 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_BASE_MOCK_DATA_SOURCE_HOST_H_
+#define MEDIA_BASE_MOCK_DATA_SOURCE_HOST_H_
+
+#include <string>
+
+#include "base/memory/scoped_ptr.h"
+#include "media/base/data_source.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace media {
+
+class MockDataSourceHost : public DataSourceHost {
+ public:
+  MockDataSourceHost();
+  virtual ~MockDataSourceHost();
+
+  // DataSourceHost implementation.
+  MOCK_METHOD1(SetTotalBytes, void(int64 total_bytes));
+  MOCK_METHOD1(SetBufferedBytes, void(int64 buffered_bytes));
+  MOCK_METHOD1(SetNetworkActivity, void(bool network_activity));
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockDataSourceHost);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_BASE_MOCK_DATA_SOURCE_HOST_H_