Move TestingPrefService to use unique_ptr<Value>

chrome/browser/prefs/chrome_pref_service_unittest.cc

 // Copyright (c) 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 "base/command_line.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/prefs/chrome_command_line_pref_store.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/sync_preferences/testing_pref_service_syncable.h"
 #include "content/public/common/web_preferences.h"
 #include "content/public/test/test_renderer_host.h"
@@ skipping 36 matching lines @@
  protected:
   void SetUp() override {
     ChromeRenderViewHostTestHarness::SetUp();
 
     // Supply our own profile so we use the correct profile data. The test
     // harness is not supposed to overwrite a profile if it's already created.
 
     // Set some (WebKit) user preferences.
     sync_preferences::TestingPrefServiceSyncable* pref_services =
         profile()->GetTestingPrefService();
-    pref_services->SetUserPref(prefs::kDefaultCharset, new base::Value("utf8"));
+    pref_services->SetUserPref(prefs::kDefaultCharset,
+                               base::MakeUnique<base::Value>("utf8"));
     pref_services->SetUserPref(prefs::kWebKitDefaultFontSize,
-                               new base::Value(20));
+                               base::MakeUnique<base::Value>(20));
     pref_services->SetUserPref(prefs::kWebKitTextAreasAreResizable,
-                               new base::Value(false));
-    pref_services->SetUserPref("webkit.webprefs.foo", new base::Value("bar"));
+                               base::MakeUnique<base::Value>(false));
+    pref_services->SetUserPref("webkit.webprefs.foo",
+                               base::MakeUnique<base::Value>("bar"));
   }
 };
 
 // Tests to see that webkit preferences are properly loaded and copied over
 // to a WebPreferences object.
 TEST_F(ChromePrefServiceWebKitPrefs, PrefsCopied) {
   WebPreferences webkit_prefs =
       RenderViewHostTester::For(rvh())->TestComputeWebkitPrefs();
 
   // These values have been overridden by the profile preferences.
@@ skipping 12 matching lines @@
   const char kDefaultFont[] = "Times";
 #elif defined(OS_CHROMEOS)
   const char kDefaultFont[] = "Tinos";
 #else
   const char kDefaultFont[] = "Times New Roman";
 #endif
   EXPECT_EQ(base::ASCIIToUTF16(kDefaultFont),
             webkit_prefs.standard_font_family_map[prefs::kWebKitCommonScript]);
   EXPECT_TRUE(webkit_prefs.javascript_enabled);
 }