Add layout test for reply property of notificationclick event

content/shell/renderer/layout_test/blink_test_runner.cc

Index: content/shell/renderer/layout_test/blink_test_runner.cc
diff --git a/content/shell/renderer/layout_test/blink_test_runner.cc b/content/shell/renderer/layout_test/blink_test_runner.cc
index a956d93b5c5faa035498148bad3c8af682758710..b302b3dc81de53af4718b7f003d7f82f7639beba 100644
--- a/content/shell/renderer/layout_test/blink_test_runner.cc
+++ b/content/shell/renderer/layout_test/blink_test_runner.cc
@@ -481,10 +481,12 @@ void BlinkTestRunner::SetDatabaseQuota(int quota) {
   Send(new LayoutTestHostMsg_SetDatabaseQuota(routing_id(), quota));
 }
 
-void BlinkTestRunner::SimulateWebNotificationClick(const std::string& title,
-                                                   int action_index) {
+void BlinkTestRunner::SimulateWebNotificationClick(
+    const std::string& title,
+    int action_index,
+    const base::NullableString16& reply) {
   Send(new LayoutTestHostMsg_SimulateWebNotificationClick(routing_id(), title,
-                                                          action_index));
+                                                          action_index, reply));
 }
 
 void BlinkTestRunner::SimulateWebNotificationClose(const std::string& title,