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

chrome/browser/ui/app_list/app_list_prefs.cc

 // Copyright 2014 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/ui/app_list/app_list_prefs.h"
 #include "chrome/browser/ui/app_list/app_list_prefs_factory.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/prefs/pref_service.h"
 #include "components/prefs/scoped_user_pref_update.h"
 
 namespace app_list {
 
 namespace {
 
 // App list ordering and folder data.
 const char kPrefModel[] = "app_list.model";
 
 const char kModelItemPosition[] = "position";
 const char kModelItemType[] = "item_type";
 const char kModelItemParentId[] = "parent_id";
 const char kModelItemName[] = "name";
 
 }  // namespace
 
 // AppListInfo
 
 AppListPrefs::AppListInfo::AppListInfo() : item_type(ITEM_TYPE_INVALID) {
 }
 
+AppListPrefs::AppListInfo::AppListInfo(const AppListInfo& other) = default;
+
 AppListPrefs::AppListInfo::~AppListInfo() {
 }
 
 scoped_ptr<base::DictionaryValue>
 AppListPrefs::AppListInfo::CreateDictFromAppListInfo() const {
   scoped_ptr<base::DictionaryValue> item_dict(new base::DictionaryValue());
   item_dict->SetString(kModelItemPosition, position.ToInternalValue());
   item_dict->SetString(kModelItemParentId, parent_id);
   item_dict->SetString(kModelItemName, name);
   item_dict->SetInteger(kModelItemType, item_type);
@@ skipping 78 matching lines @@
     (*out)[it.key()] = *AppListInfo::CreateAppListInfoFromDict(item_dict);
   }
 }
 
 void AppListPrefs::DeleteAppListInfo(const std::string& id) {
   DictionaryPrefUpdate model_dict(pref_service_, kPrefModel);
   model_dict->Remove(id, NULL);
 }
 
 }  // namespace app_list