Remove support for NPObjects.

content/plugin/plugin_channel.cc

 // 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.
 
 #include "content/plugin/plugin_channel.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 218 matching lines @@
     return false;
 
   channel_->AddFilter(filter_.get());
   return true;
 }
 
 PluginChannel::PluginChannel()
     : renderer_id_(-1),
       in_send_(0),
       incognito_(false),
-      filter_(new MessageFilter()),
-      npp_(new struct _NPP) {
+      filter_(new MessageFilter()) {
   set_send_unblocking_only_during_unblock_dispatch();
   const base::CommandLine* command_line =
       base::CommandLine::ForCurrentProcess();
   log_messages_ = command_line->HasSwitch(switches::kLogPluginMessages);
-
-  // Register |npp_| as the default owner for any object we receive via IPC.
-  SetDefaultNPObjectOwner(npp_.get());
 }
 
 bool PluginChannel::OnControlMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PluginChannel, msg)
     IPC_MESSAGE_HANDLER(PluginMsg_CreateInstance, OnCreateInstance)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(PluginMsg_DestroyInstance,
                                     OnDestroyInstance)
     IPC_MESSAGE_HANDLER(PluginMsg_GenerateRouteID, OnGenerateRouteID)
     IPC_MESSAGE_HANDLER(PluginProcessMsg_ClearSiteData, OnClearSiteData)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   DCHECK(handled);
   return handled;
 }
 
 void PluginChannel::OnCreateInstance(const std::string& mime_type,
                                      int* instance_id) {
   *instance_id = GenerateRouteID();
   scoped_refptr<WebPluginDelegateStub> stub(new WebPluginDelegateStub(
       mime_type, *instance_id, this));
-  AddRoute(*instance_id, stub.get(), NULL);
+  AddRoute(*instance_id, stub.get());
   plugin_stubs_.push_back(stub);
 }
 
 void PluginChannel::OnDestroyInstance(int instance_id,
                                       IPC::Message* reply_msg) {
   for (size_t i = 0; i < plugin_stubs_.size(); ++i) {
     if (plugin_stubs_[i]->instance_id() == instance_id) {
       scoped_refptr<MessageFilter> filter(filter_);
       int render_view_id =
           plugin_stubs_[i]->webplugin()->host_render_view_routing_id();
@@ skipping 42 matching lines @@
                        : base::StringPrintf("\"%s\"", site_str);
       VLOG(1) << "NPP_ClearSiteData(" << site_name << ", " << flags << ", "
               << max_age << ") returned " << err;
       success = (err == NPERR_NO_ERROR);
     }
   }
   Send(new PluginProcessHostMsg_ClearSiteDataResult(success));
 }
 
 }  // namespace content