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

ppapi/c/dev/ppb_var_array_buffer_dev.h

Index: ppapi/c/dev/ppb_var_array_buffer_dev.h
diff --git a/ppapi/c/dev/ppb_var_array_buffer_dev.h b/ppapi/c/dev/ppb_var_array_buffer_dev.h
index 49d9e6a4ca74d39a045ba44f8eb43b853cb2c67f..9d278422e286c935a6a528e9590f0f2aa40a1335 100644
--- a/ppapi/c/dev/ppb_var_array_buffer_dev.h
+++ b/ppapi/c/dev/ppb_var_array_buffer_dev.h
@@ -3,7 +3,7 @@
  * found in the LICENSE file.
  */
 
-/* From dev/ppb_var_array_buffer_dev.idl modified Fri Dec  2 16:17:08 2011. */
+/* From dev/ppb_var_array_buffer_dev.idl modified Wed Dec 14 18:08:00 2011. */
 
 #ifndef PPAPI_C_DEV_PPB_VAR_ARRAY_BUFFER_DEV_H_
 #define PPAPI_C_DEV_PPB_VAR_ARRAY_BUFFER_DEV_H_
@@ -34,7 +34,7 @@
  * these Vars are not part of the embedding page's DOM, and can only be shared
  * with JavaScript via pp::Instance's PostMessage and HandleMessage functions.
  */
-struct PPB_VarArrayBuffer_Dev {
+struct PPB_VarArrayBuffer_Dev_0_1 {
   /**
    * Create a zero-initialized VarArrayBuffer.
    *
@@ -59,6 +59,8 @@ struct PPB_VarArrayBuffer_Dev {
    */
   void* (*Map)(struct PP_Var array);
 };
+
+typedef struct PPB_VarArrayBuffer_Dev_0_1 PPB_VarArrayBuffer_Dev;
 /**
  * @}
  */