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

chrome/browser/safe_browsing/browser_feature_extractor.cc

 // 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.
 
 #include "chrome/browser/safe_browsing/browser_feature_extractor.h"
 
 #include <stddef.h>
 
 #include <map>
 #include <utility>
@@ skipping 53 matching lines @@
 IPUrlInfo::IPUrlInfo(const std::string& url,
                      const std::string& method,
                      const std::string& referrer,
                      const ResourceType& resource_type)
       : url(url),
         method(method),
         referrer(referrer),
         resource_type(resource_type) {
 }
 
+IPUrlInfo::IPUrlInfo(const IPUrlInfo& other) = default;
+
 IPUrlInfo::~IPUrlInfo() {}
 
 BrowseInfo::BrowseInfo() : http_status_code(0) {}
 
 BrowseInfo::~BrowseInfo() {}
 
 static void AddFeature(const std::string& feature_name,
                        double feature_value,
                        ClientPhishingRequest* request) {
   DCHECK(request);
@@ skipping 401 matching lines @@
     // Limit the number of matched bad IPs in one request to control
     // the request's size
     if (matched_bad_ips >= kMaxMalwareIPPerRequest) {
       break;
     }
   }
   callback.Run(true, std::move(request));
 }
 
 }  // namespace safe_browsing