Refactor video capture to new design

ppapi/cpp/dev/video_capture_dev.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.
 
 #ifndef PPAPI_CPP_DEV_VIDEO_CAPTURE_DEV_H_
 #define PPAPI_CPP_DEV_VIDEO_CAPTURE_DEV_H_
 
 #include <vector>
 
 #include "ppapi/c/dev/pp_video_capture_dev.h"
@@ skipping 19 matching lines @@
       const CompletionCallbackWithOutput<std::vector<DeviceRef_Dev> >&
           callback);
   int32_t Open(const DeviceRef_Dev& device_ref,
                const PP_VideoCaptureDeviceInfo_Dev& requested_info,
                uint32_t buffer_count,
                const CompletionCallback& callback);
   int32_t StartCapture();
   int32_t ReuseBuffer(uint32_t buffer);
   int32_t StopCapture();
   void Close();
-
- private:
-  // Used to store the arguments of Open() when using the v0.1 interface.
-  PP_VideoCaptureDeviceInfo_Dev requested_info_;
-  uint32_t buffer_count_;
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_DEV_VIDEO_CAPTURE_DEV_H_