Clean-up inline members of nested classes (ipc/)

ipc/ipc_channel_proxy.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_PROXY_H_
 #define IPC_IPC_CHANNEL_PROXY_H_
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
@@ skipping 208 matching lines @@
     // Returns true if the message was processed, false otherwise.
     bool TryFilters(const Message& message);
 
     // Like Open and Close, but called on the IPC thread.
     virtual void OnChannelOpened();
     virtual void OnChannelClosed();
 
     // Called on the consumers thread when the ChannelProxy is closed.  At that
     // point the consumer is telling us that they don't want to receive any
     // more messages, so we honor that wish by forgetting them!
-    virtual void Clear() { listener_ = NULL; }
+    virtual void Clear();
 
    private:
     friend class ChannelProxy;
     friend class SendCallbackHelper;
 
     // Create the Channel
     void CreateChannel(const IPC::ChannelHandle& channel_handle,
                        const Channel::Mode& mode);
 
     // Methods called on the IO thread.
@@ skipping 43 matching lines @@
 
   OutgoingMessageFilter* outgoing_message_filter_;
 
   // Whether the channel has been initialized.
   bool did_init_;
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_PROXY_H_