Fix Aura can't provide accurate cursor hotspot info.

ui/base/cursor/cursors_aura.cc

 // Copyright (c) 2013 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.
 
 #include "ui/base/cursor/cursors_aura.h"
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "third_party/skia/include/core/SkBitmap.h"
@@ skipping 221 matching lines @@
 bool GetCursorBitmap(const Cursor& cursor,
                      SkBitmap* bitmap,
                      gfx::Point* point) {
   DCHECK(bitmap && point);
 #if defined(OS_WIN)
   Cursor cursor_copy = cursor;
   ui::CursorLoaderWin cursor_loader;
   cursor_loader.SetPlatformCursor(&cursor_copy);
   const std::unique_ptr<SkBitmap> cursor_bitmap(
       IconUtil::CreateSkBitmapFromHICON(cursor_copy.platform()));
+  *point = IconUtil::GetHotSpotFromHICON(cursor_copy.platform());
 #else
   int resource_id;
   if (!GetCursorDataFor(ui::CURSOR_SET_NORMAL,
                         cursor.native_type(),
                         cursor.device_scale_factor(),
                         &resource_id,
                         point)) {
     return false;
   }
 
   const SkBitmap* cursor_bitmap = ResourceBundle::GetSharedInstance().
       GetImageSkiaNamed(resource_id)->bitmap();
 #endif
   if (!cursor_bitmap)
     return false;
   *bitmap = *cursor_bitmap;
   return true;
 }
 
 }  // namespace ui