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

chrome/browser/safe_browsing/browser_feature_extractor.h

 // Copyright (c) 2011 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.
 //
 // BrowserFeatureExtractor computes various browser features for client-side
 // phishing detection.  For now it does a bunch of lookups in the history
 // service to see whether a particular URL has been visited before by the
 // user.
 
 #ifndef CHROME_BROWSER_SAFE_BROWSING_BROWSER_FEATURE_EXTRACTOR_H_
@@ skipping 35 matching lines @@
   // The url on the bad IP address.
   std::string url;
   std::string method;
   std::string referrer;
   content::ResourceType resource_type;
 
   IPUrlInfo(const std::string& url,
             const std::string& method,
             const std::string& referrer,
             const content::ResourceType& resource_type);
+  IPUrlInfo(const IPUrlInfo& other);
   ~IPUrlInfo();
 };
 
 typedef std::map<std::string, std::vector<IPUrlInfo> > IPUrlMap;
 
 struct BrowseInfo {
   // The URL we're currently browsing.
   GURL url;
 
   // List of IPv4 and IPv6 addresses from which content was requested
@@ skipping 116 matching lines @@
   content::WebContents* tab_;
   ClientSideDetectionHost* host_;
   base::CancelableTaskTracker cancelable_task_tracker_;
   base::WeakPtrFactory<BrowserFeatureExtractor> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserFeatureExtractor);
 };
 
 }  // namespace safe_browsing
 #endif  // CHROME_BROWSER_SAFE_BROWSING_BROWSER_FEATURE_EXTRACTOR_H_