PPAPI: implement GetSupportedPreviewSizes

ppapi/thunk/ppb_image_capture_config_api.h

+// Copyright 2014 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_THUNK_PPB_IMAGE_CAPTURE_CONFIG_API_H_
+#define PPAPI_THUNK_PPB_IMAGE_CAPTURE_CONFIG_API_H_
+
+#include <string>
+
+#include "ppapi/c/private/ppb_image_capture_config_private.h"
+
+namespace ppapi {
+
+class TrackedCallback;
+
+namespace thunk {
+
+class PPB_ImageCaptureConfig_API {
+ public:
+  virtual ~PPB_ImageCaptureConfig_API() {}
+
+  virtual void GetPreviewSize(PP_Size* preview_size) = 0;
+  virtual void SetPreviewSize(const PP_Size* preview_size) = 0;
+  virtual void GetJpegSize(PP_Size* jpeg_size) = 0;
+  virtual void SetJpegSize(const PP_Size* jpeg_size) = 0;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_PPB_IMAGE_CAPTURE_CONFIG_API_H_