Implement large cursors in Mushrome.

ui/views/widget/desktop_aura/desktop_native_cursor_manager.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_CURSOR_MANAGER_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_CURSOR_MANAGER_H_
 
 #include <memory>
 #include <set>
 
@@ skipping 36 matching lines @@
   void RemoveHost(aura::WindowTreeHost* host);
 
  private:
   // Overridden from wm::NativeCursorManager:
   void SetDisplay(const display::Display& display,
                   wm::NativeCursorManagerDelegate* delegate) override;
   void SetCursor(gfx::NativeCursor cursor,
                  wm::NativeCursorManagerDelegate* delegate) override;
   void SetVisibility(bool visible,
                      wm::NativeCursorManagerDelegate* delegate) override;
-  void SetCursorSet(ui::CursorSetType cursor_set,
-                    wm::NativeCursorManagerDelegate* delegate) override;
+  void SetCursorSize(ui::CursorSize cursor_size,
+                     wm::NativeCursorManagerDelegate* delegate) override;
   void SetMouseEventsEnabled(
       bool enabled,
       wm::NativeCursorManagerDelegate* delegate) override;
 
   // The set of hosts to notify of changes in cursor state.
   typedef std::set<aura::WindowTreeHost*> Hosts;
   Hosts hosts_;
 
   std::unique_ptr<ui::CursorLoader> cursor_loader_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopNativeCursorManager);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_CURSOR_MANAGER_H_