Convert the Pepper Talk API to use the new resource system.

ppapi/api/private/ppb_talk_private.idl

 /* 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.
  */
 
 /**
  * This file contains the <code>PPB_Talk</code> interface.
  */
 label Chrome {
   M19 = 1.0
 };
 
 /**
  * Extra interface for Talk.
  */
 interface PPB_Talk_Private {
   /**
    * Creates a Talk_Private resource.
    */
   PP_Resource Create(PP_Instance instance);
 
   /**
    * Displays security UI.
    *
-   * The callback will be issued with PP_OK as the result of the user gave
-   * permission, or PP_ERROR_NOACCESS if the user denied.
+   * The callback will be issued with 1 as the result if the user gave
+   * permission, or 0 if the user denied.
    *
    * You can only have one call pending. It will return PP_OK_COMPLETIONPENDING
    * if the request is queued, or PP_ERROR_INPROGRESS if there is already a
    * request in progress.
    */
   int32_t GetPermission(
       [in] PP_Resource talk_resource,
       [in] PP_CompletionCallback callback);
 };