Convert over to channel handles

chrome/plugin/plugin_channel.h

 // Copyright (c) 2010 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 CHROME_PLUGIN_PLUGIN_CHANNEL_H_
 #define CHROME_PLUGIN_PLUGIN_CHANNEL_H_
 #pragma once
 
 #include <vector>
 #include "base/ref_counted.h"
@@ skipping 32 matching lines @@
   // Returns the event that's set when a call to the renderer causes a modal
   // dialog to come up.
   base::WaitableEvent* GetModalDialogEvent(gfx::NativeViewId containing_window);
 
   bool in_send() { return in_send_ != 0; }
 
   bool off_the_record() { return off_the_record_; }
   void set_off_the_record(bool value) { off_the_record_ = value; }
 
 #if defined(OS_POSIX)
-  int renderer_fd() const { return renderer_fd_; }
+  int renderer_fd() const { return channel_->GetClientFileDescriptor(); }
 #endif
 
  protected:
   // IPC::Channel::Listener implementation:
   virtual void OnChannelConnected(int32 peer_pid);
   virtual void OnChannelError();
 
   virtual void CleanUp();
 
   // Overrides PluginChannelBase::Init.
   virtual bool Init(MessageLoop* ipc_message_loop, bool create_pipe_now);
 
  private:
   class MessageFilter;
 
   // Called on the plugin thread
   PluginChannel();
 
   void OnControlMessageReceived(const IPC::Message& msg);
 
   static PluginChannelBase* 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(uint64 flags,
                        const std::string& domain,
                        base::Time begin_time);
 
-#if defined(OS_POSIX)
-  // Close the plugin process' copy of the renderer's side of the plugin
-  // channel.  This can be called after the renderer is known to have its own
-  // copy of renderer_fd_.
-  void CloseRendererFD();
-#endif
-
   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_;
 
-#if defined(OS_POSIX)
-  // FD for the renderer end of the socket. It is closed when the IPC layer
-  // indicates that the channel is connected, proving that the renderer has
-  // access to its side of the socket.
-  int renderer_fd_;
-#endif
-
   int in_send_;  // Tracks if we're in a Send call.
   bool log_messages_;  // True if we should log sent and received messages.
   bool off_the_record_; // True if the renderer is in off the record mode.
   scoped_refptr<MessageFilter> filter_;  // Handles the modal dialog events.
 
   DISALLOW_COPY_AND_ASSIGN(PluginChannel);
 };
 
 #endif  // CHROME_PLUGIN_PLUGIN_CHANNEL_H_