exo: Fix multi-display hardware cursor

components/exo/wm_helper_mus.h

Index: components/exo/wm_helper_mus.h
diff --git a/components/exo/wm_helper_mus.h b/components/exo/wm_helper_mus.h
index 4801e9df5182258e2ccb54ca6b293552bc6ac20c..6fda7388396caa100b368024bfebc16592ab700f 100644
--- a/components/exo/wm_helper_mus.h
+++ b/components/exo/wm_helper_mus.h
@@ -30,12 +30,13 @@ class WMHelperMus : public WMHelper,
   ~WMHelperMus() override;
 
   // Overridden from WMHelper:
-  const display::ManagedDisplayInfo GetDisplayInfo(
+  const display::ManagedDisplayInfo& GetDisplayInfo(
       int64_t display_id) const override;
-  aura::Window* GetContainer(int container_id) override;
+  aura::Window* GetPrimaryDisplayContainer(int container_id) override;
   aura::Window* GetActiveWindow() const override;
   aura::Window* GetFocusedWindow() const override;
   ui::CursorSetType GetCursorSet() const override;
+  const display::Display& GetCursorDisplay() const override;
   void AddPreTargetHandler(ui::EventHandler* handler) override;
   void PrependPreTargetHandler(ui::EventHandler* handler) override;
   void RemovePreTargetHandler(ui::EventHandler* handler) override;