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

ppapi/c/ppb_instance.h

 /* Copyright (c) 2011 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
-/* From ppb_instance.idl modified Tue Aug 23 11:25:50 2011. */
+/* From ppb_instance.idl modified Wed Oct  5 14:06:02 2011. */
 
 #ifndef PPAPI_C_PPB_INSTANCE_H_
 #define PPAPI_C_PPB_INSTANCE_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/c/pp_var.h"
@@ skipping 11 matching lines @@
 
 
 /**
  * @addtogroup Interfaces
  * @{
  */
 /**
  * The PPB_Instance interface contains pointers to functions
  * related to the module instance on a web page.
  */
-struct PPB_Instance {
+struct PPB_Instance_1_0 {
   /**
    * BindGraphics() binds the given graphics as the current display surface.
    * The contents of this device is what will be displayed in the instance's
    * area on the web page. The device must be a 2D or a 3D device.
    *
    * You can pass a <code>NULL</code> resource as the device parameter to
    * unbind all devices from the given instance. The instance will then appear
    * transparent. Re-binding the same device will return <code>PP_TRUE</code>
    * and will do nothing.
    *
@@ skipping 23 matching lines @@
    *
    * @param[in] instance A <code>PP_Instance</code> identifying one instance
    * of a module.
    *
    * @return A <code>PP_Bool</code> containing <code>PP_TRUE</code> if the
    * instance is full-frame.
    */
   PP_Bool (*IsFullFrame)(PP_Instance instance);
 };
 
+typedef struct PPB_Instance_1_0 PPB_Instance;
+
 struct PPB_Instance_0_5 {
   struct PP_Var (*GetWindowObject)(PP_Instance instance);
   struct PP_Var (*GetOwnerElementObject)(PP_Instance instance);
   PP_Bool (*BindGraphics)(PP_Instance instance, PP_Resource device);
   PP_Bool (*IsFullFrame)(PP_Instance instance);
 };
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PPB_INSTANCE_H_ */