Rename Instance_Trusted to Instance_Private, wire it up in Chrome.

ppapi/c/private/ppp_instance_private.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.
  */
-#ifndef PPAPI_C_TRUSTED_PPP_INSTANCE_TRUSTED_H_
-#define PPAPI_C_TRUSTED_PPP_INSTANCE_TRUSTED_H_
+#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_TRUSTED_INTERFACE "PPP_Instance_Trusted;0.1"
+#define PPP_INSTANCE_PRIVATE_INTERFACE "PPP_Instance_Private;0.1"
 
 /**
  * @file
- * This file defines the PPP_InstanceTrusted structure; a series of functions
+ * 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
  * @{
  */
 
 /**
- * The PPP_Instance_Trusted interface contains pointers to a series of
+ * 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_Trusted {
+struct 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);
 };
 /**
  * @}
  */
 
-#endif  /* PPAPI_C_TRUSTED_PPP_INSTANCE_TRUSTED_H_ */
+#endif  /* PPAPI_C_PRIVATE_PPP_INSTANCE_PRIVATE_H_ */