Use unique_ptr<DictionaryValue> in ProxyConfigDictionary

components/proxy_config/proxy_config_dictionary_unittest.cc

 // Copyright (c) 2011 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 "components/proxy_config/proxy_config_dictionary.h"
 
 #include <memory>
 #include <string>
 
 #include "base/values.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 struct ProxyConfigHolder {
   ProxyPrefs::ProxyMode mode;
   std::string pac_url;
   std::string proxy_server;
   std::string bypass_list;
 };
 
 TEST(ProxyConfigDictionaryTest, CreateDirect) {
-  std::unique_ptr<base::DictionaryValue> dict_value(
-      ProxyConfigDictionary::CreateDirect());
+  std::unique_ptr<base::DictionaryValue> dict_value =
+      ProxyConfigDictionary::CreateDirect();
   ProxyConfigDictionary dict(dict_value.get());
   ProxyConfigHolder h;
 
   ASSERT_TRUE(dict.GetMode(&h.mode));
   EXPECT_EQ(ProxyPrefs::MODE_DIRECT, h.mode);
   ASSERT_FALSE(dict.GetPacUrl(&h.bypass_list));
   ASSERT_FALSE(dict.GetProxyServer(&h.proxy_server));
   ASSERT_FALSE(dict.GetBypassList(&h.bypass_list));
 }
 
 TEST(ProxyConfigDictionaryTest, CreateAutoDetect) {
-  std::unique_ptr<base::DictionaryValue> dict_value(
-      ProxyConfigDictionary::CreateAutoDetect());
+  std::unique_ptr<base::DictionaryValue> dict_value =
+      ProxyConfigDictionary::CreateAutoDetect();
   ProxyConfigDictionary dict(dict_value.get());
   ProxyConfigHolder h;
 
   ASSERT_TRUE(dict.GetMode(&h.mode));
   EXPECT_EQ(ProxyPrefs::MODE_AUTO_DETECT, h.mode);
   ASSERT_FALSE(dict.GetPacUrl(&h.bypass_list));
   ASSERT_FALSE(dict.GetProxyServer(&h.proxy_server));
   ASSERT_FALSE(dict.GetBypassList(&h.bypass_list));
 }
 
 TEST(ProxyConfigDictionaryTest, CreatePacScript) {
-  std::unique_ptr<base::DictionaryValue> dict_value(
-      ProxyConfigDictionary::CreatePacScript("pac", false));
+  std::unique_ptr<base::DictionaryValue> dict_value =
+      ProxyConfigDictionary::CreatePacScript("pac", false);
   ProxyConfigDictionary dict(dict_value.get());
   ProxyConfigHolder h;
 
   ASSERT_TRUE(dict.GetMode(&h.mode));
   EXPECT_EQ(ProxyPrefs::MODE_PAC_SCRIPT, h.mode);
   ASSERT_TRUE(dict.GetPacUrl(&h.bypass_list));
   EXPECT_EQ("pac", h.bypass_list);
   ASSERT_FALSE(dict.GetProxyServer(&h.proxy_server));
   ASSERT_FALSE(dict.GetBypassList(&h.bypass_list));
 }
 
 TEST(ProxyConfigDictionaryTest, CreateFixedServers) {
-  std::unique_ptr<base::DictionaryValue> dict_value(
-      ProxyConfigDictionary::CreateFixedServers("http://1.2.3.4",
-                                                "http://foo"));
+  std::unique_ptr<base::DictionaryValue> dict_value =
+      ProxyConfigDictionary::CreateFixedServers("http://1.2.3.4", "http://foo");
   ProxyConfigDictionary dict(dict_value.get());
   ProxyConfigHolder h;
 
   ASSERT_TRUE(dict.GetMode(&h.mode));
   EXPECT_EQ(ProxyPrefs::MODE_FIXED_SERVERS, h.mode);
   ASSERT_FALSE(dict.GetPacUrl(&h.bypass_list));
   ASSERT_TRUE(dict.GetProxyServer(&h.proxy_server));
   EXPECT_EQ("http://1.2.3.4", h.proxy_server);
   ASSERT_TRUE(dict.GetBypassList(&h.bypass_list));
   EXPECT_EQ("http://foo", h.bypass_list);
 }
 
 TEST(ProxyConfigDictionaryTest, CreateSystem) {
-  std::unique_ptr<base::DictionaryValue> dict_value(
-      ProxyConfigDictionary::CreateSystem());
+  std::unique_ptr<base::DictionaryValue> dict_value =
+      ProxyConfigDictionary::CreateSystem();
   ProxyConfigDictionary dict(dict_value.get());
   ProxyConfigHolder h;
 
   ASSERT_TRUE(dict.GetMode(&h.mode));
   EXPECT_EQ(ProxyPrefs::MODE_SYSTEM, h.mode);
   ASSERT_FALSE(dict.GetPacUrl(&h.bypass_list));
   ASSERT_FALSE(dict.GetProxyServer(&h.proxy_server));
   ASSERT_FALSE(dict.GetBypassList(&h.bypass_list));
 }