Add the "virtual" keyword on method overrides that are missing it.

net/websockets/websocket_net_log_params.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 NET_WEBSOCKETS_WEBSOCKET_NET_LOG_PARAMS_H_
 #define NET_WEBSOCKETS_WEBSOCKET_NET_LOG_PARAMS_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/ref_counted.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/values.h"
 #include "net/base/net_log.h"
 
 namespace net {
 
 class NetLogWebSocketHandshakeParameter : public NetLog::EventParameters {
  public:
-  explicit NetLogWebSocketHandshakeParameter(const std::string& headers)
-      : headers_(headers) {
-  }
+  explicit NetLogWebSocketHandshakeParameter(const std::string& headers);
 
-  Value* ToValue() const {
-    DictionaryValue* dict = new DictionaryValue();
-    ListValue* headers = new ListValue();
-
-    size_t last = 0;
-    size_t headers_size = headers_.size();
-    size_t pos = 0;
-    while (pos <= headers_size) {
-      if (pos == headers_size ||
-          (headers_[pos] == '\r' &&
-           pos + 1 < headers_size && headers_[pos + 1] == '\n')) {
-        std::string entry = headers_.substr(last, pos - last);
-        pos += 2;
-        last = pos;
-
-        headers->Append(new StringValue(entry));
-
-        if (entry.empty()) {
-          // Dump WebSocket key3.
-          std::string key;
-          for (; pos < headers_size; ++pos) {
-            key += base::StringPrintf("\\x%02x", headers_[pos] & 0xff);
-          }
-          headers->Append(new StringValue(key));
-          break;
-        }
-      } else {
-        ++pos;
-      }
-    }
-
-    dict->Set("headers", headers);
-    return dict;
-  }
+  virtual Value* ToValue() const;
 
  private:
-  ~NetLogWebSocketHandshakeParameter() {}
+  virtual ~NetLogWebSocketHandshakeParameter();
 
   const std::string headers_;
 
   DISALLOW_COPY_AND_ASSIGN(NetLogWebSocketHandshakeParameter);
 };
 
 }  // namespace net
 
 #endif  // NET_WEBSOCKETS_WEBSOCKET_NET_LOG_PARAMS_H_