Do not scale cursor image for 2x image

ui/base/cursor/cursor_loader_x11.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_X11_H_
 #define UI_BASE_CURSOR_CURSOR_LOADER_X11_H_
 
 #include <X11/Xcursor/Xcursor.h>
 #include <map>
 
@@ skipping 15 matching lines @@
   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;
 
+  ::Cursor GetCursorForTest(int id);
+
  private:
   // Returns true if we have an image resource loaded for the |native_cursor|.
   bool IsImageCursor(gfx::NativeCursor native_cursor);
 
   // Gets the X Cursor corresponding to the |native_cursor|.
   ::Cursor ImageCursorFromNative(gfx::NativeCursor native_cursor);
 
   // A map to hold all image cursors. It maps the cursor ID to the X Cursor.
   typedef std::map<int, ::Cursor> ImageCursorMap;
   ImageCursorMap cursors_;
 
   // A map to hold all animated cursors. It maps the cursor ID to the pair of
   // the X Cursor and the corresponding XcursorImages. We need a pointer to the
   // images so that we can free them on destruction.
   typedef std::map<int, std::pair< ::Cursor, XcursorImages*> >
       AnimatedCursorMap;
   AnimatedCursorMap animated_cursors_;
 
   const XScopedCursor invisible_cursor_;
 
   DISALLOW_COPY_AND_ASSIGN(CursorLoaderX11);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_CURSOR_CURSOR_LOADER_X11_H_