Reland: Stop passing raw pointers to base::Value API in c/b/chromeos and c/b/extensions

chrome/browser/extensions/api/mdns/mdns_api_unittest.cc

 // Copyright 2015 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/extensions/api/mdns/mdns_api.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
 #include <vector>
 
 #include "base/memory/ptr_util.h"
+#include "base/values.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_service_test_base.h"
 #include "chrome/browser/extensions/test_extension_system.h"
 #include "chrome/common/extensions/api/mdns.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/test/mock_render_process_host.h"
 #include "extensions/browser/event_listener_map.h"
 #include "extensions/browser/event_router_factory.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_registry.h"
@@ skipping 214 matching lines @@
       std::string name,
       bool is_platform_app,
       std::string extension_id) {
     base::DictionaryValue manifest;
     manifest.SetString(extensions::manifest_keys::kVersion, "1.0.0.0");
     manifest.SetString(extensions::manifest_keys::kName, name);
     if (is_platform_app) {
       // Setting app.background.page = "background.html" is sufficient to make
       // the extension type TYPE_PLATFORM_APP.
       manifest.Set(extensions::manifest_keys::kPlatformAppBackgroundPage,
-                   new base::Value("background.html"));
+                   base::MakeUnique<base::Value>("background.html"));
     }
 
     std::string error;
     return extensions::Extension::Create(
         bogus_file_pathname(name),
         extensions::Manifest::INVALID_LOCATION,
         manifest,
         Extension::NO_FLAGS,
         extension_id,
         &error);
@@ skipping 177 matching lines @@
                                  render_process_host(), kExtId, filter, false);
 
   EXPECT_CALL(*dns_sd_registry(), UnregisterDnsSdListener("_trex._tcp.local"));
   EventRouter::Get(browser_context())
       ->RemoveFilteredEventListener(api::mdns::OnServiceList::kEventName,
                                     render_process_host(), kExtId, filter,
                                     false);
 }
 
 }  // namespace extensions