Fix object ownership in ui/base/models.

ui/app_list/views/search_result_list_view_unittest.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 "ui/app_list/views/search_result_list_view.h"
 
 #include <stddef.h>
 
 #include <map>
 
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/app_list/app_list_model.h"
 #include "ui/app_list/test/app_list_test_view_delegate.h"
 #include "ui/app_list/test/test_search_result.h"
 #include "ui/app_list/views/search_result_list_view_delegate.h"
 #include "ui/app_list/views/search_result_view.h"
 #include "ui/views/controls/progress_bar.h"
 #include "ui/views/test/views_test_base.h"
 
@@ skipping 33 matching lines @@
     view_delegate_.set_auto_launch_timeout(base::TimeDelta::FromDays(1));
   }
 
   base::TimeDelta GetAutoLaunchTimeout() {
     return view_delegate_.GetAutoLaunchTimeout();
   }
 
   void SetUpSearchResults() {
     AppListModel::SearchResults* results = GetResults();
     for (int i = 0; i < kDefaultSearchItems; ++i) {
-      TestSearchResult* result = new TestSearchResult();
+      std::unique_ptr<TestSearchResult> result =
+          base::MakeUnique<TestSearchResult>();
       result->set_display_type(SearchResult::DISPLAY_LIST);
       result->set_title(base::UTF8ToUTF16(base::StringPrintf("Result %d", i)));
       if (i < 2)
         result->set_details(base::ASCIIToUTF16("Detail"));
-      results->Add(result);
+      results->Add(std::move(result));
     }
 
     // Adding results will schedule Update().
     RunPendingMessages();
     view_->OnContainerSelected(false, false);
   }
 
   int GetOpenResultCountAndReset(int ranking) {
     int result = view_delegate_.open_search_result_counts()[ranking];
     view_delegate_.open_search_result_counts().clear();
     return result;
   }
 
   int GetResultCount() { return view_->num_results(); }
 
   int GetSelectedIndex() { return view_->selected_index(); }
 
   void ResetSelectedIndex() {
     view_->SetSelectedIndex(0);
   }
 
   void AddTestResultAtIndex(int index) {
-    GetResults()->Add(new TestSearchResult());
+    GetResults()->Add(base::MakeUnique<TestSearchResult>());
   }
 
   void DeleteResultAt(int index) { GetResults()->DeleteAt(index); }
 
   bool KeyPress(ui::KeyboardCode key_code) {
     ui::KeyEvent event(ui::ET_KEY_PRESSED, key_code, ui::EF_NONE);
     return view_->OnKeyPressed(event);
   }
 
   bool IsAutoLaunching() { return !!view_->auto_launch_animation_; }
@@ skipping 142 matching lines @@
   EXPECT_EQ(0.0f, GetProgressBarAt(0)->current_value());
   GetResults()->GetItemAt(0)->SetPercentDownloaded(10);
 
   DeleteResultAt(0);
   RunPendingMessages();
   EXPECT_EQ(0.0f, GetProgressBarAt(0)->current_value());
 }
 
 }  // namespace test
 }  // namespace app_list