Adds ability for accelerators to add key/value pairs to KeyEvent

services/ui/ws/window_server_test_base.cc

Index: services/ui/ws/window_server_test_base.cc
diff --git a/services/ui/ws/window_server_test_base.cc b/services/ui/ws/window_server_test_base.cc
index 4cfacda169833b403a27987954366362f530abac..745633a996e64dfee79965f9dd0b7092ec99b8f0 100644
--- a/services/ui/ws/window_server_test_base.cc
+++ b/services/ui/ws/window_server_test_base.cc
@@ -225,10 +225,11 @@ void WindowServerTestBase::OnWmDisplayModified(
 
 ui::mojom::EventResult WindowServerTestBase::OnAccelerator(
     uint32_t accelerator_id,
-    const ui::Event& event) {
-  return window_manager_delegate_
-             ? window_manager_delegate_->OnAccelerator(accelerator_id, event)
-             : ui::mojom::EventResult::UNHANDLED;
+    const ui::Event& event,
+    std::unordered_map<std::string, std::vector<uint8_t>>* properties) {
+  return window_manager_delegate_ ? window_manager_delegate_->OnAccelerator(
+                                        accelerator_id, event, properties)
+                                  : ui::mojom::EventResult::UNHANDLED;
 }
 
 void WindowServerTestBase::OnWmPerformMoveLoop(