Move VideoRenderer out of Filter heirarchy.

media/base/mock_filter_host.h

-// 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.
-//
-// A FilterHost implementation based on gmock.  Combined with setting a message
-// loop on a filter, permits single-threaded testing of filters without
-// requiring a pipeline.
-
-#ifndef MEDIA_BASE_MOCK_FILTER_HOST_H_
-#define MEDIA_BASE_MOCK_FILTER_HOST_H_
-
-#include <string>
-
-#include "media/base/filter_host.h"
-#include "testing/gmock/include/gmock/gmock.h"
-
-namespace media {
-
-class MockFilterHost : public FilterHost {
- public:
-  MockFilterHost();
-  virtual ~MockFilterHost();
-
-  // FilterHost implementation.
-  MOCK_METHOD0(InitializationComplete, void());
-  MOCK_METHOD1(SetError, void(PipelineStatus error));
-  MOCK_CONST_METHOD0(GetDuration, base::TimeDelta());
-  MOCK_CONST_METHOD0(GetTime, base::TimeDelta());
-  MOCK_METHOD1(SetNaturalVideoSize, void(const gfx::Size& size));
-  MOCK_METHOD0(NotifyEnded, void());
-  MOCK_METHOD0(DisableAudioRenderer, void());
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(MockFilterHost);
-};
-
-}  // namespace media
-
-#endif  // MEDIA_BASE_MOCK_FILTER_HOST_H_