Add a sandbox API for broker handle duplication

content/plugin/plugin_channel.h

-// 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 CONTENT_PLUGIN_PLUGIN_CHANNEL_H_
 #define CONTENT_PLUGIN_PLUGIN_CHANNEL_H_
 #pragma once
 
 #include <vector>
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_handle.h"
@@ skipping 17 matching lines @@
       int renderer_id, base::MessageLoopProxy* ipc_message_loop);
 
   // Send a message to all renderers that the process is going to shutdown.
   static void NotifyRenderersOfPendingShutdown();
 
   virtual ~PluginChannel();
 
   virtual bool Send(IPC::Message* msg) OVERRIDE;
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
-  base::ProcessHandle renderer_handle() const { return renderer_handle_; }
   int renderer_id() { return renderer_id_; }
 
   virtual int GenerateRouteID() OVERRIDE;
 
   // Returns the event that's set when a call to the renderer causes a modal
   // dialog to come up.
   virtual base::WaitableEvent* GetModalDialogEvent(
       gfx::NativeViewId containing_window) OVERRIDE;
 
   bool in_send() { return in_send_ != 0; }
 
   bool incognito() { return incognito_; }
   void set_incognito(bool value) { incognito_ = value; }
 
 #if defined(OS_POSIX)
   int TakeRendererFileDescriptor() {
     return channel_->TakeClientFileDescriptor();
   }
 #endif
 
  protected:
   // IPC::Channel::Listener implementation:
-  virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
   virtual void OnChannelError() OVERRIDE;
 
   virtual void CleanUp() OVERRIDE;
 
   // Overrides NPChannelBase::Init.
   virtual bool Init(base::MessageLoopProxy* ipc_message_loop,
                     bool create_pipe_now,
                     base::WaitableEvent* shutdown_event) OVERRIDE;
 
  private:
   class MessageFilter;
 
   // Called on the plugin thread
   PluginChannel();
 
   virtual bool OnControlMessageReceived(const IPC::Message& msg) OVERRIDE;
 
   static NPChannelBase* ClassFactory() { return new PluginChannel(); }
 
   void OnCreateInstance(const std::string& mime_type, int* instance_id);
   void OnDestroyInstance(int instance_id, IPC::Message* reply_msg);
   void OnGenerateRouteID(int* route_id);
   void OnClearSiteData(const std::string& site,
                        uint64 flags,
                        base::Time begin_time);
 
   std::vector<scoped_refptr<WebPluginDelegateStub> > plugin_stubs_;
 
-  // Handle to the renderer process who is on the other side of the channel.
-  base::ProcessHandle renderer_handle_;
-
   // The id of the renderer who is on the other side of the channel.
   int renderer_id_;
 
   int in_send_;  // Tracks if we're in a Send call.
   bool log_messages_;  // True if we should log sent and received messages.
   bool incognito_; // True if the renderer is in incognito mode.
   scoped_refptr<MessageFilter> filter_;  // Handles the modal dialog events.
 
   DISALLOW_COPY_AND_ASSIGN(PluginChannel);
 };
 
 #endif  // CONTENT_PLUGIN_PLUGIN_CHANNEL_H_