Move TestingPrefService to use unique_ptr<Value>

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller_unittest.mm

 // 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.
 
 #import <Cocoa/Cocoa.h>
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/extensions/test_extension_system.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_constants.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_window.h"
@@ skipping 1661 matching lines @@
 TEST_F(BookmarkBarControllerTest, ManagedShowAppsShortcutInBookmarksBar) {
   // By default the pref is not managed and the apps shortcut is shown.
   sync_preferences::TestingPrefServiceSyncable* prefs =
       profile()->GetTestingPrefService();
   EXPECT_FALSE(prefs->IsManagedPreference(
       bookmarks::prefs::kShowAppsShortcutInBookmarkBar));
   EXPECT_FALSE([bar_ appsPageShortcutButtonIsHidden]);
 
   // Hide the apps shortcut by policy, via the managed pref.
   prefs->SetManagedPref(bookmarks::prefs::kShowAppsShortcutInBookmarkBar,
-                        new base::Value(false));
+                        base::MakeUnique<base::Value>(false));
   EXPECT_TRUE([bar_ appsPageShortcutButtonIsHidden]);
 
   // And try showing it via policy too.
   prefs->SetManagedPref(bookmarks::prefs::kShowAppsShortcutInBookmarkBar,
-                        new base::Value(true));
+                        base::MakeUnique<base::Value>(true));
   EXPECT_FALSE([bar_ appsPageShortcutButtonIsHidden]);
 }
 
 class BookmarkBarControllerOpenAllTest : public BookmarkBarControllerTest {
 public:
  void SetUp() override {
     BookmarkBarControllerTest::SetUp();
     ASSERT_TRUE(profile());
 
     resizeDelegate_.reset([[ViewResizerPong alloc] init]);
@@ skipping 463 matching lines @@
                              "2f3b ] 4b ");
   actual = bookmarks::test::ModelStringFromNode(root);
   EXPECT_EQ(expected, actual);
 
   // Verify that the other bookmark folder can't be deleted.
   BookmarkButton *otherButton = [bar_ otherBookmarksButton];
   EXPECT_FALSE([bar_ canDragBookmarkButtonToTrash:otherButton]);
 }
 
 }  // namespace