exo: Fix multi-display hardware cursor

components/exo/wm_helper_mus.cc

Index: components/exo/wm_helper_mus.cc
diff --git a/components/exo/wm_helper_mus.cc b/components/exo/wm_helper_mus.cc
index a13d09ff997059e1edfb87b5da58f06121da22e5..ace7fd150df84e14f2fe43bebca77b6ba58942ab 100644
--- a/components/exo/wm_helper_mus.cc
+++ b/components/exo/wm_helper_mus.cc
@@ -43,7 +43,7 @@ const display::ManagedDisplayInfo WMHelperMus::GetDisplayInfo(
   return display::ManagedDisplayInfo(display_id, "", false);
 }
 
-aura::Window* WMHelperMus::GetContainer(int container_id) {
+aura::Window* WMHelperMus::GetContainer(int64_t display_id, int container_id) {
   NOTIMPLEMENTED();
   return nullptr;
 }