Remove support for NPObjects.

content/child/plugin_param_traits.h

-// Copyright 2013 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 is used to define IPC::ParamTraits<> specializations for a number
-// of types so that they can be serialized over IPC.  IPC::ParamTraits<>
-// specializations for basic types (like int and std::string) and types in the
-// 'base' project can be found in ipc/ipc_message_utils.h.  This file contains
-// specializations for types that are used by the content code, and which need
-// manual serialization code.  This is usually because they're not structs with
-// public members, or because the same type is being used in multiple
-// *_messages.h headers.
-
-#ifndef CONTENT_CHILD_PLUGIN_PARAM_TRAITS_H_
-#define CONTENT_CHILD_PLUGIN_PARAM_TRAITS_H_
-
-#include <string>
-
-#include "content/child/npapi/npruntime_util.h"
-#include "ipc/ipc_message.h"
-#include "ipc/ipc_param_traits.h"
-
-namespace content {
-
-// Define the NPVariant_Param struct and its enum here since it needs manual
-// serialization code.
-enum NPVariant_ParamEnum {
-  NPVARIANT_PARAM_VOID,
-  NPVARIANT_PARAM_NULL,
-  NPVARIANT_PARAM_BOOL,
-  NPVARIANT_PARAM_INT,
-  NPVARIANT_PARAM_DOUBLE,
-  NPVARIANT_PARAM_STRING,
-  // Used when when the NPObject is running in the caller's process, so we
-  // create an NPObjectProxy in the other process. To support object ownership
-  // tracking the routing-Id of the NPObject's owning plugin instance is
-  // passed alongside that of the object itself.
-  NPVARIANT_PARAM_SENDER_OBJECT_ROUTING_ID,
-  // Used when the NPObject we're sending is running in the callee's process
-  // (i.e. we have an NPObjectProxy for it).  In that case we want the callee
-  // to just use the raw pointer.
-  NPVARIANT_PARAM_RECEIVER_OBJECT_ROUTING_ID,
-};
-
-struct NPVariant_Param {
-  NPVariant_Param();
-  ~NPVariant_Param();
-
-  NPVariant_ParamEnum type;
-  bool bool_value;
-  int int_value;
-  double double_value;
-  std::string string_value;
-  int npobject_routing_id;
-  int npobject_owner_id;
-};
-
-struct NPIdentifier_Param {
-  NPIdentifier_Param();
-  ~NPIdentifier_Param();
-
-  NPIdentifier identifier;
-};
-
-}  // namespace content
-
-namespace IPC {
-
-template <>
-struct ParamTraits<content::NPVariant_Param> {
-  typedef content::NPVariant_Param param_type;
-  static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, base::PickleIterator* iter, param_type* r);
-  static void Log(const param_type& p, std::string* l);
-};
-
-template <>
-struct ParamTraits<content::NPIdentifier_Param> {
-  typedef content::NPIdentifier_Param param_type;
-  static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, base::PickleIterator* iter, param_type* r);
-  static void Log(const param_type& p, std::string* l);
-};
-
-}  // namespace IPC
-
-#endif  // CONTENT_CHILD_PLUGIN_PARAM_TRAITS_H_