Fix Aura can't provide accurate cursor hotspot info.

ui/gfx/icon_util.cc

 // 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.
 
 #include "ui/gfx/icon_util.h"
 
 #include <memory>
 
 #include "base/files/file_util.h"
 #include "base/files/important_file_writer.h"
@@ skipping 351 matching lines @@
   ICONINFO ii = {0};
   ii.fIcon = FALSE;
   ii.xHotspot = hotspot.x();
   ii.yHotspot = hotspot.y();
   ii.hbmMask = mask.get();
   ii.hbmColor = bitmap_handle.get();
 
   return base::win::ScopedHICON(CreateIconIndirect(&ii));
 }
 
+gfx::Point IconUtil::GetHotSpotFromHICON(HICON icon) {
+  ScopedICONINFO icon_info;
+  gfx::Point hotspot;
+  if (::GetIconInfo(icon, &icon_info))
+    hotspot = gfx::Point(icon_info.xHotspot, icon_info.yHotspot);
+
+  return hotspot;
+}
 SkBitmap IconUtil::CreateSkBitmapFromHICONHelper(HICON icon,
                                                  const gfx::Size& s) {
   DCHECK(icon);
   DCHECK(!s.IsEmpty());
 
   // Allocating memory for the SkBitmap object. We are going to create an ARGB
   // bitmap so we should set the configuration appropriately.
   SkBitmap bitmap;
   bitmap.allocN32Pixels(s.width(), s.height());
   bitmap.eraseARGB(0, 0, 0, 0);
@@ skipping 312 matching lines @@
   // Once we compute the size for a singe AND mask scan line, we multiply that
   // number by the image height in order to get the total number of bytes for
   // the AND mask. Thus, for a 15X15 image, we need 15 * 4 which is 60 bytes
   // for the monochrome bitmap representing the AND mask.
   size_t and_line_length = (bitmap.width() + 7) >> 3;
   and_line_length = (and_line_length + 3) & ~3;
   size_t and_mask_size = and_line_length * bitmap.height();
   size_t masks_size = *xor_mask_size + and_mask_size;
   *bytes_in_resource = masks_size + sizeof(BITMAPINFOHEADER);
 }