Fix chromium-style compile error that got in the tree since yesterday.

chrome/common/render_messages_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 CHROME_COMMON_RENDER_MESSAGES_PARAMS_H_
 #define CHROME_COMMON_RENDER_MESSAGES_PARAMS_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 902 matching lines @@
 
   // Type of notification.
   NotificationType notification_type;
 
   // The accessibility node tree.
   webkit_glue::WebAccessibility acc_obj;
 };
 
 // A node is essentially a frame.
 struct ViewHostMsg_MalwareDOMDetails_Node {
+  ViewHostMsg_MalwareDOMDetails_Node();
+  ~ViewHostMsg_MalwareDOMDetails_Node();
+
   // URL of this resource. Can be empty.
   GURL url;
 
   // If this resource was in the "src" attribute of a tag, this is the tagname
   // (eg "IFRAME"). Can be empty.
   std::string tag_name;
 
   // URL of the parent node. Can be empty.
   GURL parent;
 
   // children of this node. Can be emtpy.
   std::vector<GURL> children;
 };
 
 // Parameters to describe interesting details from a rendered page that lead
 // to a malware warning.
 struct ViewHostMsg_MalwareDOMDetails_Params {
+  ViewHostMsg_MalwareDOMDetails_Params();
+  ~ViewHostMsg_MalwareDOMDetails_Params();
+
   // All the nodes we extracted.
   std::vector<ViewHostMsg_MalwareDOMDetails_Node> nodes;
 };
 
 
 namespace IPC {
 
 class Message;
 
 // Traits for ViewMsg_Navigate_Params structure to pack/unpack.
@@ skipping 233 matching lines @@
 struct ParamTraits<ViewHostMsg_MalwareDOMDetails_Node> {
   typedef ViewHostMsg_MalwareDOMDetails_Node param_type;
   static void Write(Message* m, const param_type& p);
   static bool Read(const Message* m, void** iter, param_type* p);
   static void Log(const param_type& p, std::string* l);
 };
 
 }  // namespace IPC
 
 #endif  // CHROME_COMMON_RENDER_MESSAGES_PARAMS_H_