Move TestingPrefService to use unique_ptr<Value>

chrome/browser/ui/views/bookmarks/bookmark_bar_view_unittest.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/views/bookmarks/bookmark_bar_view.h"
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 332 matching lines @@
   CreateBookmarkModelAndBookmarkBarView();
   // 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_TRUE(test_helper_->apps_page_shortcut()->visible());
 
   // 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_FALSE(test_helper_->apps_page_shortcut()->visible());
 
   // And try showing it via policy too.
   prefs->SetManagedPref(bookmarks::prefs::kShowAppsShortcutInBookmarkBar,
-                        new base::Value(true));
+                        base::MakeUnique<base::Value>(true));
   EXPECT_TRUE(test_helper_->apps_page_shortcut()->visible());
 }
 #endif
 
 TEST_F(BookmarkBarViewTest, UpdateTooltipText) {
   CreateBookmarkModelAndBookmarkBarView();
   // Create a widget who creates and owns a views::ToolipManager.
   views::Widget widget;
   views::Widget::InitParams params(views::Widget::InitParams::TYPE_WINDOW);
   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
@@ skipping 14 matching lines @@
   gfx::Point p;
   base::string16 text;
   button->GetTooltipText(p, &text);
   EXPECT_EQ(base::ASCIIToUTF16("a\na.com"), text);
   button->SetText(base::ASCIIToUTF16("new title"));
   button->GetTooltipText(p, &text);
   EXPECT_EQ(base::ASCIIToUTF16("new title\na.com"), text);
 
   widget.CloseNow();
 }