Refactor PPB_Flash_Fullscreen to the new resource model.

ppapi/thunk/ppb_flash_fullscreen_api.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_THUNK_PPB_FLASH_FULLSCREEN_API_H_
+#define PPAPI_THUNK_PPB_FLASH_FULLSCREEN_API_H_
+
+#include "ppapi/shared_impl/api_id.h"
+#include "ppapi/thunk/ppapi_thunk_export.h"
+
+namespace ppapi {
+namespace thunk {
+
+class PPAPI_THUNK_EXPORT PPB_Flash_Fullscreen_API {
+ public:
+  virtual ~PPB_Flash_Fullscreen_API() {}
+
+  virtual PP_Bool IsFullscreen(PP_Instance instance) = 0;
+  virtual PP_Bool SetFullscreen(PP_Instance instance,
+                                PP_Bool fullscreen) = 0;
+
+  // Internal function used for proxying only.
+  virtual void SetFullscreenInternal(PP_Instance instance,
+                                     PP_Bool fullscreen) = 0;
+
+  static const SingletonResourceID kSingletonResourceID =
+      FLASH_FULLSCREEN_SINGLETON_ID;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif // PPAPI_THUNK_PPB_FLASH_FULLSCREEN_API_H_