[Chromedriver] Chromedriver should handle unexpected alert automatically.

chrome/test/chromedriver/chrome/chrome_remote_impl.cc

Index: chrome/test/chromedriver/chrome/chrome_remote_impl.cc
diff --git a/chrome/test/chromedriver/chrome/chrome_remote_impl.cc b/chrome/test/chromedriver/chrome/chrome_remote_impl.cc
index 5b9a669d29a1cb0e71f6b6697426fb33fd561609..e3e7751253d67fc5b4aed64cd9ea1c9bf3fef295 100644
--- a/chrome/test/chromedriver/chrome/chrome_remote_impl.cc
+++ b/chrome/test/chromedriver/chrome/chrome_remote_impl.cc
@@ -15,11 +15,13 @@ ChromeRemoteImpl::ChromeRemoteImpl(
     std::unique_ptr<DevToolsHttpClient> http_client,
     std::unique_ptr<DevToolsClient> websocket_client,
     ScopedVector<DevToolsEventListener>& devtools_event_listeners,
+    std::string unexpected_alert_behaviour,
     std::string page_load_strategy)
     : ChromeImpl(std::move(http_client),
                  std::move(websocket_client),
                  devtools_event_listeners,
                  std::unique_ptr<PortReservation>(),
+                 unexpected_alert_behaviour,
                  page_load_strategy) {}
 
 ChromeRemoteImpl::~ChromeRemoteImpl() {}