Convert //extensions/browser/api from scoped_ptr to std::unique_ptr

extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.cc

Index: extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.cc
diff --git a/extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.cc b/extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.cc
index 3fd268adeee10f639aea1fa8dce2d877608a45d2..7a402b97b4fea686a53345be661bca8f41896c7c 100644
--- a/extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.cc
+++ b/extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.cc
@@ -79,7 +79,7 @@ void WiFiDisplaySessionServiceImpl::Connect(int32_t sink_id,
   if (auth_method != AUTHENTICATION_METHOD_NONE) {
     DCHECK(auth_method <= AUTHENTICATION_METHOD_LAST);
     auth_info.method = static_cast<AuthenticationMethod>(auth_method);
-    auth_info.data = scoped_ptr<std::string>(new std::string(auth_data));
+    auth_info.data = std::unique_ptr<std::string>(new std::string(auth_data));
   }
   auto on_error = base::Bind(&WiFiDisplaySessionServiceImpl::OnConnectFailed,
                              weak_factory_.GetWeakPtr(), sink_id);