Remove raw base::DictionaryValue::Set in //net

net/proxy/proxy_config.cc

Index: net/proxy/proxy_config.cc
diff --git a/net/proxy/proxy_config.cc b/net/proxy/proxy_config.cc
index b2d34cab2bcc632d155b43073094202028383b66..48b7ec71e10287c7ae68a0f9acfd899f499bdc65 100644
--- a/net/proxy/proxy_config.cc
+++ b/net/proxy/proxy_config.cc
@@ -7,6 +7,7 @@
 #include <utility>
 
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/string_tokenizer.h"
 #include "base/strings/string_util.h"
 #include "base/values.h"
@@ -261,7 +262,7 @@ std::unique_ptr<base::DictionaryValue> ProxyConfig::ToValue() const {
       if (proxy_rules_.reverse_bypass)
         dict->SetBoolean("reverse_bypass", true);
 
-      base::ListValue* list = new base::ListValue();
+      auto list = base::MakeUnique<base::ListValue>();
 
       for (ProxyBypassRules::RuleList::const_iterator it =
               bypass.rules().begin();
@@ -269,7 +270,7 @@ std::unique_ptr<base::DictionaryValue> ProxyConfig::ToValue() const {
         list->AppendString((*it)->ToString());
       }
 
-      dict->Set("bypass_list", list);
+      dict->Set("bypass_list", std::move(list));
     }
   }