Adds ability for pre-target accelerators to not consume events

services/ui/public/cpp/window_tree_client.h

Index: services/ui/public/cpp/window_tree_client.h
diff --git a/services/ui/public/cpp/window_tree_client.h b/services/ui/public/cpp/window_tree_client.h
index d58eba8f1443775faa17e8982186611078e16596..d3a570d4deb6055428ae4a05b82f902d6e2f8b89 100644
--- a/services/ui/public/cpp/window_tree_client.h
+++ b/services/ui/public/cpp/window_tree_client.h
@@ -322,7 +322,9 @@ class WindowTreeClient : public mojom::WindowTreeClient,
                                   transport_properties) override;
   void WmClientJankinessChanged(ClientSpecificId client_id,
                                 bool janky) override;
-  void OnAccelerator(uint32_t id, std::unique_ptr<ui::Event> event) override;
+  void OnAccelerator(uint32_t ack_id,
+                     uint32_t accelerator_id,
+                     std::unique_ptr<ui::Event> event) override;
 
   // Overridden from WindowManagerClient:
   void SetFrameDecorationValues(