move EventHandler out of VideoCaptureController to make VS2005 happy

content/browser/renderer_host/video_capture_controller_event_handler.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 CONTENT_BROWSER_RENDERER_HOST_VIDEO_CAPTURE_CONTROLLER_EVENT_HANDLER_H_
+#define CONTENT_BROWSER_RENDERER_HOST_VIDEO_CAPTURE_CONTROLLER_EVENT_HANDLER_H_
+
+#include <map>
+
+#include "base/time.h"
+#include "ui/gfx/surface/transport_dib.h"
+
+// ID used for identifying an object of VideoCaptureController.
+struct VideoCaptureControllerID {
+ public:
+  VideoCaptureControllerID();
+  VideoCaptureControllerID(int32 rid, int did);
+  ~VideoCaptureControllerID();
+  bool operator<(const VideoCaptureControllerID& vc) const;
+
+  int32 routing_id;
+  int device_id;
+};
+
+// VideoCaptureControllerEventHandler is the interface for
+// VideoCaptureController to notify clients about the events such as
+// BufferReady, FrameInfo, Error, etc.
+class VideoCaptureControllerEventHandler {
+ public:
+  // An Error have occurred in the VideoCaptureDevice.
+  virtual void OnError(const VideoCaptureControllerID& id) = 0;
+
+  // An TransportDIB have been filled with I420 video.
+  virtual void OnBufferReady(const VideoCaptureControllerID& id,
+                             TransportDIB::Handle handle,
+                             base::Time timestamp) = 0;
+
+  // The frame resolution the VideoCaptureDevice capture video in.
+  virtual void OnFrameInfo(const VideoCaptureControllerID& id,
+                           int width,
+                           int height,
+                           int frame_rate) = 0;
+
+  // Report that this object can be deleted.
+  virtual void OnReadyToDelete(const VideoCaptureControllerID& id) = 0;
+
+ protected:
+  virtual ~VideoCaptureControllerEventHandler() {}
+};
+
+#endif  // CONTENT_BROWSER_RENDERER_HOST_VIDEO_CAPTURE_CONTROLLER_EVENT_HANDLER_H_