clang/win: Fix style plugin warnings in debug builds.

net/http/http_auth_challenge_tokenizer.cc

 // Copyright 2014 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.
 
 #include "net/http/http_auth_challenge_tokenizer.h"
 
 #include "base/strings/string_tokenizer.h"
 
 namespace net {
 
 HttpAuthChallengeTokenizer::HttpAuthChallengeTokenizer(
     std::string::const_iterator begin,
     std::string::const_iterator end)
     : begin_(begin),
       end_(end),
       scheme_begin_(begin),
       scheme_end_(begin),
       params_begin_(end),
       params_end_(end) {
   Init(begin, end);
 }
 
+HttpAuthChallengeTokenizer::~HttpAuthChallengeTokenizer() {
+}
+
 HttpUtil::NameValuePairsIterator HttpAuthChallengeTokenizer::param_pairs()
     const {
   return HttpUtil::NameValuePairsIterator(params_begin_, params_end_, ',');
 }
 
 std::string HttpAuthChallengeTokenizer::base64_param() const {
   // Strip off any padding.
   // (See https://bugzilla.mozilla.org/show_bug.cgi?id=230351.)
   //
   // Our base64 decoder requires that the length be a multiple of 4.
@@ skipping 19 matching lines @@
   // Save the scheme's position.
   scheme_begin_ = tok.token_begin();
   scheme_end_ = tok.token_end();
 
   params_begin_ = scheme_end_;
   params_end_ = end;
   HttpUtil::TrimLWS(&params_begin_, &params_end_);
 }
 
 }  // namespace net