chrome: Add out-of-line copy ctors for complex classes.

chrome/browser/safe_browsing/protocol_manager_helper.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 CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_MANAGER_HELPER_H_
 #define CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_MANAGER_HELPER_H_
 
 // A class that provides common functionality for safebrowsing protocol managers
 // that communicate with Google servers.
 
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 
 namespace safe_browsing {
 
 struct SafeBrowsingProtocolConfig {
   SafeBrowsingProtocolConfig();
+  SafeBrowsingProtocolConfig(const SafeBrowsingProtocolConfig& other);
   ~SafeBrowsingProtocolConfig();
   std::string client_name;
   std::string url_prefix;
   std::string backup_connect_error_url_prefix;
   std::string backup_http_error_url_prefix;
   std::string backup_network_error_url_prefix;
   std::string version;
   bool disable_auto_update;
 };
 
@@ skipping 20 matching lines @@
                                 const std::string& additional_query,
                                 bool is_extended_reporting);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(SafeBrowsingProtocolManagerHelper);
 };
 
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_MANAGER_HELPER_H_