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diff --git a/chromium/media/capture/video/win/sink_filter_observer_win.h b/chromium/media/capture/video/win/sink_filter_observer_win.h
new file mode 100644
index 00000000000..acfc70f36d8
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+++ b/chromium/media/capture/video/win/sink_filter_observer_win.h
@@ -0,0 +1,26 @@
+// 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.
+
+// Observer class of Sinkfilter. The implementor of this class receive video
+// frames from the SinkFilter DirectShow filter.
+
+#ifndef MEDIA_VIDEO_CAPTURE_WIN_SINK_FILTER_OBSERVER_WIN_H_
+#define MEDIA_VIDEO_CAPTURE_WIN_SINK_FILTER_OBSERVER_WIN_H_
+
+namespace media {
+
+class SinkFilterObserver {
+ public:
+  // SinkFilter will call this function with all frames delivered to it.
+  // buffer in only valid during this function call.
+  virtual void FrameReceived(const uint8* buffer, int length,
+                             base::TimeTicks timestamp) = 0;
+
+ protected:
+  virtual ~SinkFilterObserver();
+};
+
+}  // namespace media
+
+#endif  // MEDIA_VIDEO_CAPTURE_WIN_SINK_FILTER_OBSERVER_WIN_H_