IPC: Use ScopedHandle instead of a raw HANDLE for the private members.

ipc/ipc_channel_win.h

 // 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 IPC_IPC_CHANNEL_WIN_H_
 #define IPC_IPC_CHANNEL_WIN_H_
 
 #include "ipc/ipc_channel.h"
 
 #include <queue>
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
+#include "base/win/scoped_handle.h"
 #include "ipc/ipc_channel_reader.h"
 
 namespace base {
 class ThreadChecker;
 }
 
 namespace IPC {
 
 class ChannelWin : public Channel,
                    public internal::ChannelReader,
@@ skipping 40 matching lines @@
   struct State {
     explicit State(ChannelWin* channel);
     ~State();
     base::MessageLoopForIO::IOContext context;
     bool is_pending;
   };
 
   State input_state_;
   State output_state_;
 
-  HANDLE pipe_;
+  base::win::ScopedHandle pipe_;
 
   base::ProcessId peer_pid_;
 
   // Messages to be sent are queued here.
   std::queue<Message*> output_queue_;
 
   // In server-mode, we have to wait for the client to connect before we
   // can begin reading.  We make use of the input_state_ when performing
   // the connect operation in overlapped mode.
   bool waiting_connect_;
@@ skipping 29 matching lines @@
 
   scoped_ptr<base::ThreadChecker> thread_check_;
   base::WeakPtrFactory<ChannelWin> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChannelWin);
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_WIN_H_