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

chrome/browser/browsing_data/cookies_tree_model.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_BROWSING_DATA_COOKIES_TREE_MODEL_H_
 #define CHROME_BROWSER_BROWSING_DATA_COOKIES_TREE_MODEL_H_
 
 // TODO(viettrungluu): This header file #includes far too much and has too much
 // inline code (which shouldn't be inline).
 
@@ skipping 93 matching lines @@
       TYPE_CHANNEL_IDS,       // Used for CookieTreeChannelIDsNode.
       TYPE_CHANNEL_ID,        // Used for CookieTreeChannelIDNode.
       TYPE_SERVICE_WORKERS,   // This is used for CookieTreeServiceWorkersNode.
       TYPE_SERVICE_WORKER,    // This is used for CookieTreeServiceWorkerNode.
       TYPE_CACHE_STORAGES,    // This is used for CookieTreeCacheStoragesNode.
       TYPE_CACHE_STORAGE,     // This is used for CookieTreeCacheStorageNode.
       TYPE_FLASH_LSO,         // This is used for CookieTreeFlashLSONode.
     };
 
     DetailedInfo();
+    DetailedInfo(const DetailedInfo& other);
     ~DetailedInfo();
 
     DetailedInfo& Init(NodeType type);
     DetailedInfo& InitHost();
     DetailedInfo& InitCookie(const net::CanonicalCookie* cookie);
     DetailedInfo& InitDatabase(
         const BrowsingDataDatabaseHelper::DatabaseInfo* database_info);
     DetailedInfo& InitLocalStorage(
         const BrowsingDataLocalStorageHelper::LocalStorageInfo*
         local_storage_info);
@@ skipping 749 matching lines @@
 
   // Counts how many batches have started already. If this is non-zero and lower
   // than batches_ended_, then this model is still batching updates.
   int batches_started_ = 0;
 
   // Counts how many batches have finished.
   int batches_ended_ = 0;
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_COOKIES_TREE_MODEL_H_