Convert InstancePrivate to IDL.

ppapi/api/private/ppp_instance_private.idl

-/* Copyright (c) 2011 The Chromium Authors. All rights reserved.
+/* Copyright (c) 2012 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.
  */
-#ifndef PPAPI_C_PRIVATE_PPP_INSTANCE_PRIVATE_H_
-#define PPAPI_C_PRIVATE_PPP_INSTANCE_PRIVATE_H_
-
-#include "ppapi/c/pp_instance.h"
-
-struct PP_Var;
-
-#define PPP_INSTANCE_PRIVATE_INTERFACE "PPP_Instance_Private;0.1"
 
 /**
- * @file
  * This file defines the PPP_InstancePrivate structure; a series of functions
  * that a trusted plugin may implement to provide capabilities only available
  * to trusted plugins.
- *
  */
-
-/** @addtogroup Interfaces
- * @{
- */
+label Chrome {
+  M22 = 0.1

[yzshen1, 2012/10/02 21:14:43]

Please change it to the first milestone when this interface was created.
(For private it probably doesn't matter, but better to be consistent.)

+};
 
 /**
  * The PPP_Instance_Private interface contains pointers to a series of
  * functions that may be implemented in a trusted plugin to provide capabilities
  * that aren't possible in untrusted modules.
  */
 
-struct PPP_Instance_Private {
+interface PPP_Instance_Private {
   /**
    * GetInstanceObject returns a PP_Var representing the scriptable object for
    * the given instance. Normally this will be a PPP_Class_Deprecated object
    * that exposes methods and properties to JavaScript.
    *
    * On Failure, the returned PP_Var should be a "void" var.
    *
    * The returned PP_Var should have a reference added for the caller, which
    * will be responsible for Release()ing that reference.
    *
    * @param[in] instance A PP_Instance indentifying the instance from which the
    *            instance object is being requested.
    * @return A PP_Var containing scriptable object.
    */
-  struct PP_Var (*GetInstanceObject)(PP_Instance instance);
+  PP_Var GetInstanceObject([in] PP_Instance instance);
 };
-/**
- * @}
- */
-
-#endif  /* PPAPI_C_PRIVATE_PPP_INSTANCE_PRIVATE_H_ */
-