AppList Performance Optimization 2

chrome/browser/ui/app_list/search/extension_app_result.cc

 // Copyright 2013 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/search/extension_app_result.h"
 
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/app_list_controller_delegate.h"
 #include "chrome/browser/ui/app_list/extension_app_context_menu.h"
@@ skipping 72 matching lines @@
   }
 
   controller()->ActivateApp(
       profile(),
       extension,
       AppListControllerDelegate::LAUNCH_FROM_APP_LIST_SEARCH,
       event_flags);
 }
 
 std::unique_ptr<SearchResult> ExtensionAppResult::Duplicate() const {
-  std::unique_ptr<SearchResult> copy(
-      new ExtensionAppResult(profile(), app_id(), controller(),
-                             display_type() == DISPLAY_RECOMMENDATION));
+  std::unique_ptr<SearchResult> copy = base::MakeUnique<ExtensionAppResult>(
+      profile(), app_id(), controller(),
+      display_type() == DISPLAY_RECOMMENDATION);
   copy->set_title(title());
   copy->set_title_tags(title_tags());
   copy->set_relevance(relevance());
 
   return copy;
 }
 
 ui::MenuModel* ExtensionAppResult::GetContextMenuModel() {
   if (!context_menu_) {
     context_menu_.reset(new ExtensionAppContextMenu(
@@ skipping 80 matching lines @@
     const extensions::Extension* extension) {
   UpdateIcon();
 }
 
 void ExtensionAppResult::OnShutdown(extensions::ExtensionRegistry* registry) {
   DCHECK_EQ(extension_registry_, registry);
   StopObservingExtensionRegistry();
 }
 
 }  // namespace app_list