Implement large cursors in Mushrome.

components/exo/wm_helper_ash.h

Index: components/exo/wm_helper_ash.h
diff --git a/components/exo/wm_helper_ash.h b/components/exo/wm_helper_ash.h
index 52986246f25908d6542e0f8450f797f757a0cee4..3e1fa320b0620cf535f3506d704bf73a0361d0f9 100644
--- a/components/exo/wm_helper_ash.h
+++ b/components/exo/wm_helper_ash.h
@@ -34,7 +34,7 @@ class WMHelperAsh : public WMHelper,
   aura::Window* GetPrimaryDisplayContainer(int container_id) override;
   aura::Window* GetActiveWindow() const override;
   aura::Window* GetFocusedWindow() const override;
-  ui::CursorSetType GetCursorSet() const override;
+  ui::CursorSize GetCursorSize() const override;
   const display::Display& GetCursorDisplay() const override;
   void AddPreTargetHandler(ui::EventHandler* handler) override;
   void PrependPreTargetHandler(ui::EventHandler* handler) override;
@@ -54,7 +54,7 @@ class WMHelperAsh : public WMHelper,
 
   // Overridden from aura::client::CursorClientObserver:
   void OnCursorVisibilityChanged(bool is_visible) override;
-  void OnCursorSetChanged(ui::CursorSetType cursor_set) override;
+  void OnCursorSizeChanged(ui::CursorSize cursor_size) override;
   void OnCursorDisplayChanged(const display::Display& display) override;
 
   // Overridden from ash::ShellObserver: