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 fbc56fb71c6602782daf78e3aa1760847f60b040..4efa293bd2a2c473928fb8642294d4764e506b53 100644
--- a/ppapi/c/trusted/ppb_file_chooser_trusted.h
+++ b/ppapi/c/trusted/ppb_file_chooser_trusted.h
@@ -3,7 +3,7 @@
  * found in the LICENSE file.
  */
 
-/* From trusted/ppb_file_chooser_trusted.idl modified Tue Oct 11 11:43:26 2011. */
+/* From trusted/ppb_file_chooser_trusted.idl modified Wed Oct 12 17:01:17 2011. */
 
 #ifndef PPAPI_C_TRUSTED_PPB_FILE_CHOOSER_TRUSTED_H_
 #define PPAPI_C_TRUSTED_PPB_FILE_CHOOSER_TRUSTED_H_
@@ -28,7 +28,7 @@
  * @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
@@ -52,6 +52,8 @@ struct PPB_FileChooserTrusted {
                                     struct PP_Var suggested_file_name,
                                     struct PP_CompletionCallback callback);
 };
+
+typedef struct PPB_FileChooserTrusted_0_5 PPB_FileChooserTrusted;
 /**
  * @}
  */