Update PPAPI IDL generator to define versioned structs, and unversioned typedef.

ppapi/c/ppp_instance.h

Index: ppapi/c/ppp_instance.h
diff --git a/ppapi/c/ppp_instance.h b/ppapi/c/ppp_instance.h
index 12ab8c089feded433462afeef5b6163db3b20c0e..324d96cc472ee298098f426811b1067aa334463c 100644
--- a/ppapi/c/ppp_instance.h
+++ b/ppapi/c/ppp_instance.h
@@ -3,7 +3,7 @@
  * found in the LICENSE file.
  */
 
-/* From ppp_instance.idl modified Tue Aug 23 11:29:06 2011. */
+/* From ppp_instance.idl modified Sat Dec 17 10:13:27 2011. */
 
 #ifndef PPAPI_C_PPP_INSTANCE_H_
 #define PPAPI_C_PPP_INSTANCE_H_
@@ -38,7 +38,7 @@
  * to handle events such as change of focus or input events (keyboard/mouse)
  * events.
  */
-struct PPP_Instance {
+struct PPP_Instance_1_0 {
   /**
    * DidCreate() is a creation handler that is called when a new instance is
    * created. This function is called for each instantiation on the page,
@@ -195,12 +195,11 @@ struct PPP_Instance {
    */
   PP_Bool (*HandleDocumentLoad)(PP_Instance instance, PP_Resource url_loader);
 };
+
+typedef struct PPP_Instance_1_0 PPP_Instance;
 /**
  * @}
  */
 
-
-typedef struct PPP_Instance PPP_Instance_1_0;
-
 #endif  /* PPAPI_C_PPP_INSTANCE_H_ */