Remove raw DictionaryValue::Set in //components

components/sync_wifi/wifi_credential.cc

Index: components/sync_wifi/wifi_credential.cc
diff --git a/components/sync_wifi/wifi_credential.cc b/components/sync_wifi/wifi_credential.cc
index 0337ee8188f30e420dbe0a5118c3a929e86feeed..bf6294a3f272e67bf0f03b37c3872add32159bac 100644
--- a/components/sync_wifi/wifi_credential.cc
+++ b/components/sync_wifi/wifi_credential.cc
@@ -52,20 +52,19 @@ std::unique_ptr<base::DictionaryValue> WifiCredential::ToOncProperties() const {
     return base::MakeUnique<base::DictionaryValue>();
   }
 
-  std::unique_ptr<base::DictionaryValue> onc_properties(
-      new base::DictionaryValue());
-  onc_properties->Set(onc::toplevel_config::kType,
-                      new base::Value(onc::network_type::kWiFi));
+  auto onc_properties = base::MakeUnique<base::DictionaryValue>();
+  onc_properties->SetString(onc::toplevel_config::kType,
+                            onc::network_type::kWiFi);
   // TODO(quiche): Switch to the HexSSID property, once ONC fully supports it.
   // crbug.com/432546.
-  onc_properties->Set(onc::network_config::WifiProperty(onc::wifi::kSSID),
-                      new base::Value(ssid_utf8));
-  onc_properties->Set(onc::network_config::WifiProperty(onc::wifi::kSecurity),
-                      new base::Value(onc_security));
+  onc_properties->SetString(onc::network_config::WifiProperty(onc::wifi::kSSID),
+                            ssid_utf8);
+  onc_properties->SetString(
+      onc::network_config::WifiProperty(onc::wifi::kSecurity), onc_security);
   if (WifiSecurityClassSupportsPassphrases(security_class())) {
-    onc_properties->Set(
+    onc_properties->SetString(
         onc::network_config::WifiProperty(onc::wifi::kPassphrase),
-        new base::Value(passphrase()));
+        passphrase());
   }
   return onc_properties;
 }