Move ash specific cursor code to CursorManager.

ui/base/cursor/cursor_loader_win.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_BASE_CURSOR_CURSOR_LOADER_WIN_H_
+#define UI_BASE_CURSOR_CURSOR_LOADER_WIN_H_
+
+#include "base/compiler_specific.h"
+#include "ui/base/cursor/cursor_loader.h"
+
+namespace ui {
+
+class CursorLoaderWin : public CursorLoader {
+ public:
+  CursorLoaderWin();
+  virtual ~CursorLoaderWin();
+
+  // Overridden from CursorLoader:
+  virtual void LoadImageCursor(int id,
+                               int resource_id,
+                               const gfx::Point& hot) OVERRIDE;
+  virtual void LoadAnimatedCursor(int id,
+                                  int resource_id,
+                                  const gfx::Point& hot,
+                                  int frame_delay_ms) OVERRIDE;
+  virtual void UnloadAll() OVERRIDE;
+  virtual void SetPlatformCursor(gfx::NativeCursor* cursor) OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CursorLoaderWin);
+};
+
+}  // namespace ui
+
+#endif  // UI_BASE_CURSOR_CURSOR_LOADER_WIN_H_