Implement large cursors in Mushrome.

ash/wm/native_cursor_manager_ash_classic.h

 // Copyright 2017 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 ASH_WM_NATIVE_CURSOR_MANAGER_ASH_CLASSIC_H_
 #define ASH_WM_NATIVE_CURSOR_MANAGER_ASH_CLASSIC_H_
 
 #include "ash/wm/native_cursor_manager_ash.h"
 
 namespace ui {
@@ skipping 23 matching lines @@
   float GetScale() const override;
   display::Display::Rotation GetRotation() const override;
 
   // 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 cursor location where the cursor was disabled.
   gfx::Point disabled_cursor_location_;
 
   bool native_cursor_enabled_;
 
   std::unique_ptr<ui::ImageCursors> image_cursors_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeCursorManagerAshClassic);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_NATIVE_CURSOR_MANAGER_ASH_CLASSIC_H_