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

ppapi/c/trusted/ppb_file_chooser_trusted.h

Index: ppapi/c/trusted/ppb_file_chooser_trusted.h
diff --git a/ppapi/c/trusted/ppb_file_chooser_trusted.h b/ppapi/c/trusted/ppb_file_chooser_trusted.h
index 8c3c933b3e6fb268a77e5864069a9d20d679bb1f..85187a73c5d3c780d37d8e66a030588484e3ac73 100644
--- a/ppapi/c/trusted/ppb_file_chooser_trusted.h
+++ b/ppapi/c/trusted/ppb_file_chooser_trusted.h
@@ -4,7 +4,7 @@
  */
 
 /* From trusted/ppb_file_chooser_trusted.idl,
- *   modified Wed Jan  4 09:12:36 2012.
+ *   modified Wed Jan  4 11:09:00 2012.
  */
 
 #ifndef PPAPI_C_TRUSTED_PPB_FILE_CHOOSER_TRUSTED_H_
@@ -30,7 +30,7 @@
  * @addtogroup Interfaces
  * @{
  */
-struct PPB_FileChooserTrusted {
+struct PPB_FileChooserTrusted_0_5 {
   /**
    * This function displays a previously created file chooser resource as a
    * dialog box, prompting the user to choose a file or files to open, or a
@@ -54,6 +54,8 @@ struct PPB_FileChooserTrusted {
                                     struct PP_Var suggested_file_name,
                                     struct PP_CompletionCallback callback);
 };
+
+typedef struct PPB_FileChooserTrusted_0_5 PPB_FileChooserTrusted;
 /**
  * @}
  */