Remove virtual destructors for several platform support classes

Source/core/platform/chromium/support/WebRTCICECandidate.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 26 matching lines @@
 #include "public/platform/WebString.h"
 
 namespace WebKit {
 
 class WebRTCICECandidatePrivate : public RefCounted<WebRTCICECandidatePrivate> {
 public:
     static PassRefPtr<WebRTCICECandidatePrivate> create(const WebString& candidate, const WebString& sdpMid, unsigned short sdpMLineIndex)
     {
         return adoptRef(new WebRTCICECandidatePrivate(candidate, sdpMid, sdpMLineIndex));
     }
-    virtual ~WebRTCICECandidatePrivate();
 
     const WebString& candidate() const { return m_candidate; }
     const WebString& sdpMid() const { return m_sdpMid; }
     unsigned short sdpMLineIndex() const { return m_sdpMLineIndex; }
 
 private:
     WebRTCICECandidatePrivate(const WebString& candidate, const WebString& sdpMid, unsigned short sdpMLineIndex);
 
     WebString m_candidate;
     WebString m_sdpMid;
     unsigned short m_sdpMLineIndex;
 };
 
 WebRTCICECandidatePrivate::WebRTCICECandidatePrivate(const WebString& candidate, const WebString& sdpMid, unsigned short sdpMLineIndex)
     : m_candidate(candidate)
     , m_sdpMid(sdpMid)
     , m_sdpMLineIndex(sdpMLineIndex)
 {
 }
 
-WebRTCICECandidatePrivate::~WebRTCICECandidatePrivate()
-{
-}
-
 void WebRTCICECandidate::assign(const WebRTCICECandidate& other)
 {
     m_private = other.m_private;
 }
 
 void WebRTCICECandidate::reset()
 {
     m_private.reset();
 }
 
@@ skipping 14 matching lines @@
     return m_private->sdpMid();
 }
 
 unsigned short WebRTCICECandidate::sdpMLineIndex() const
 {
     ASSERT(!m_private.isNull());
     return m_private->sdpMLineIndex();
 }
 
 } // namespace WebKit