Add PPB_Fullscreen;0.5.

ppapi/thunk/thunk.h

Index: ppapi/thunk/thunk.h
===================================================================
--- ppapi/thunk/thunk.h	(revision 99979)
+++ ppapi/thunk/thunk.h	(working copy)
@@ -28,6 +28,7 @@
 struct PPB_Flash_NetConnector;
 struct PPB_Flash_TCPSocket;
 struct PPB_Font_Dev;
+struct PPB_Fullscreen;
 struct PPB_Fullscreen_Dev;
 struct PPB_GLESChromiumTextureMapping_Dev;
 struct PPB_Graphics2D;
@@ -87,7 +88,8 @@
     GetPPB_Flash_NetConnector_Thunk();
 PPAPI_THUNK_EXPORT const PPB_Flash_TCPSocket* GetPPB_Flash_TCPSocket_Thunk();
 PPAPI_THUNK_EXPORT const PPB_Font_Dev* GetPPB_Font_Thunk();
-PPAPI_THUNK_EXPORT const PPB_Fullscreen_Dev* GetPPB_Fullscreen_Thunk();
+PPAPI_THUNK_EXPORT const PPB_Fullscreen* GetPPB_Fullscreen_Thunk();
+PPAPI_THUNK_EXPORT const PPB_Fullscreen_Dev* GetPPB_Fullscreen_Dev_Thunk();
 PPAPI_THUNK_EXPORT const PPB_GLESChromiumTextureMapping_Dev*
     GetPPB_GLESChromiumTextureMapping_Thunk();
 PPAPI_THUNK_EXPORT const PPB_Graphics2D* GetPPB_Graphics2D_Thunk();