Implement large cursors in Mushrome.

ui/wm/test/testing_cursor_client_observer.h

Index: ui/wm/test/testing_cursor_client_observer.h
diff --git a/ui/wm/test/testing_cursor_client_observer.h b/ui/wm/test/testing_cursor_client_observer.h
index 1b0bb203e9acb63c6aabc04e35115f16fccaa392..84cb376b94c242cb024c0280e296cd0ab185f70c 100644
--- a/ui/wm/test/testing_cursor_client_observer.h
+++ b/ui/wm/test/testing_cursor_client_observer.h
@@ -15,17 +15,17 @@ class TestingCursorClientObserver : public aura::client::CursorClientObserver {
 
   bool is_cursor_visible() const { return cursor_visibility_; }
   bool did_visibility_change() const { return did_visibility_change_; }
-  ui::CursorSetType cursor_set() const { return cursor_set_; }
+  ui::CursorSet cursor_set() const { return cursor_set_; }
   bool did_cursor_set_change() const { return did_cursor_set_change_; }
 
   // Overridden from aura::client::CursorClientObserver:
   void OnCursorVisibilityChanged(bool is_visible) override;
-  void OnCursorSetChanged(ui::CursorSetType cursor_set) override;
+  void OnCursorSetChanged(ui::CursorSet cursor_set) override;
 
  private:
   bool cursor_visibility_;
   bool did_visibility_change_;
-  ui::CursorSetType cursor_set_;
+  ui::CursorSet cursor_set_;
   bool did_cursor_set_change_;
 
   DISALLOW_COPY_AND_ASSIGN(TestingCursorClientObserver);