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 64766e6b61c6946f8738dad3eecad06cf58ec9e5..6048b2c4cd480f37fc364cb3e120381b92113ad0 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 Thu Dec 15 10:30:21 2011. */
+/* From ppp_instance.idl modified Wed Jan  4 06:11:56 2012. */
 
 #ifndef PPAPI_C_PPP_INSTANCE_H_
 #define PPAPI_C_PPP_INSTANCE_H_
@@ -39,7 +39,7 @@
  * to handle events such as change of focus or input events (keyboard/mouse)
  * events.
  */
-struct PPP_Instance {
+struct PPP_Instance_1_1 {
   /**
    * DidCreate() is a creation handler that is called when a new instance is
    * created. This function is called for each instantiation on the page,
@@ -166,6 +166,8 @@ struct PPP_Instance {
   PP_Bool (*HandleDocumentLoad)(PP_Instance instance, PP_Resource url_loader);
 };
 
+typedef struct PPP_Instance_1_1 PPP_Instance;
+
 struct PPP_Instance_1_0 {
   PP_Bool (*DidCreate)(PP_Instance instance,
                        uint32_t argc,
@@ -182,8 +184,5 @@ struct PPP_Instance_1_0 {
  * @}
  */
 
-
-typedef struct PPP_Instance PPP_Instance_1_1;
-
 #endif  /* PPAPI_C_PPP_INSTANCE_H_ */