Create media.dll.

media/video/capture/video_capture_device.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.
 //
 // VideoCaptureDevice is the abstract base class for realizing video capture
 // device support in Chromium. It provides the interface for OS dependent
 // implementations.
 // The class is created and functions are invoked on a thread owned by
 // VideoCaptureManager. Capturing is done on other threads depended on the OS
 // specific implementation.
 
 #ifndef MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_H_
 #define MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_H_
 
 #include <list>
 #include <string>
 
 #include "base/time.h"
+#include "media/base/media_export.h"
 
 namespace media {
 
-class VideoCaptureDevice {
+class MEDIA_EXPORT VideoCaptureDevice {
  public:
 
   struct Name {
     // Friendly name of a device
     std::string device_name;
 
     // Unique name of a device. Even if there are multiple devices with the same
     // friendly name connected to the computer this will be unique.
     std::string unique_id;
   };
@@ skipping 68 matching lines @@
   // state it was when created.
   virtual void DeAllocate() = 0;
 
   // Get the name of the capture device.
   virtual const Name& device_name() = 0;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_H_