[chromedriver] Apply page load timeout to slow cross-process navigations

chrome/test/chromedriver/alert_commands.cc

Index: chrome/test/chromedriver/alert_commands.cc
diff --git a/chrome/test/chromedriver/alert_commands.cc b/chrome/test/chromedriver/alert_commands.cc
index f75e440a5109d21fa5a27165bce7e6ca1045c221..e953f3c9bceb4f959cd9b91e4c5a1264d9f33dc2 100644
--- a/chrome/test/chromedriver/alert_commands.cc
+++ b/chrome/test/chromedriver/alert_commands.cc
@@ -11,6 +11,7 @@
 #include "chrome/test/chromedriver/chrome/javascript_dialog_manager.h"
 #include "chrome/test/chromedriver/chrome/status.h"
 #include "chrome/test/chromedriver/chrome/web_view.h"
+#include "chrome/test/chromedriver/net/timeout.h"
 #include "chrome/test/chromedriver/session.h"
 
 Status ExecuteAlertCommand(
@@ -32,7 +33,7 @@ Status ExecuteAlertCommand(
     return status;
 
   status = web_view->WaitForPendingNavigations(
-      session->GetCurrentFrameId(), session->page_load_timeout, true);
+      session->GetCurrentFrameId(), Timeout(session->page_load_timeout), true);
   if (status.IsError() && status.code() != kUnexpectedAlertOpen)
     return status;