Fix object ownership in ui/base/models.

ash/shell/app_list.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 <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/wm_shell.h"
 #include "ash/shell/example_factory.h"
 #include "ash/shell/toplevel_window.h"
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/i18n/case_conversion.h"
 #include "base/i18n/string_search.h"
+#include "base/memory/ptr_util.h"
 #include "base/memory/scoped_vector.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/app_list/app_list_item.h"
 #include "ui/app_list/app_list_item_list.h"
 #include "ui/app_list/app_list_model.h"
 #include "ui/app_list/app_list_view_delegate.h"
 #include "ui/app_list/search_box_model.h"
 #include "ui/app_list/search_result.h"
@@ skipping 233 matching lines @@
       return;
 
     for (int i = 0; i < static_cast<int>(WindowTypeShelfItem::LAST_TYPE); ++i) {
       WindowTypeShelfItem::Type type =
           static_cast<WindowTypeShelfItem::Type>(i);
 
       base::string16 title =
           base::UTF8ToUTF16(WindowTypeShelfItem::GetTitle(type));
       if (base::i18n::StringSearchIgnoringCaseAndAccents(query, title, NULL,
                                                          NULL)) {
-        model_->results()->Add(new ExampleSearchResult(type, query));
+        model_->results()->Add(
+            base::MakeUnique<ExampleSearchResult>(type, query));
       }
     }
   }
 
   void StopSearch() override {
     // Nothing needs to be done.
   }
 
   void ViewInitialized() override {
     // Nothing needs to be done.
@@ skipping 46 matching lines @@
 };
 
 }  // namespace
 
 app_list::AppListViewDelegate* CreateAppListViewDelegate() {
   return new ExampleAppListViewDelegate;
 }
 
 }  // namespace shell
 }  // namespace ash