Add support for adding 256x256 pngs to Windows .ico files.

chrome/browser/profiles/profile_shortcut_manager_win.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 "chrome/browser/profiles/profile_shortcut_manager_win.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 74 matching lines @@
   offscreen_canvas->drawBitmap(
       sk_icon,
       app_icon_bitmap->width() - kProfileAvatarShortcutBadgeWidth,
       app_icon_bitmap->height() - kProfileAvatarShortcutBadgeHeight);
   const SkBitmap& final_bitmap =
       offscreen_canvas->getDevice()->accessBitmap(false);
 
   // Finally, write the .ico file containing this new bitmap.
   const FilePath icon_path =
       profile_path.AppendASCII(profiles::internal::kProfileIconFileName);
-  if (!IconUtil::CreateIconFileFromSkBitmap(final_bitmap, icon_path))
+  // TODO(asvitkine): Create icon with a large 256x256 bitmap.
+  if (!IconUtil::CreateIconFileFromSkBitmap(final_bitmap, SkBitmap(),
+                                            icon_path))
     return FilePath();
 
   return icon_path;
 }
 
 // Gets the directory where to create desktop shortcuts.
 bool GetDesktopShortcutsDirectory(FilePath* directory) {
   const bool result =
       ShellUtil::GetShortcutPath(ShellUtil::SHORTCUT_LOCATION_DESKTOP,
                                  BrowserDistribution::GetDistribution(),
@@ skipping 353 matching lines @@
   }
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
       base::Bind(&CreateOrUpdateDesktopShortcutsForProfile,
                  profile_path, new_shortcut_appended_name,
                  profile_avatar_bitmap_copy, create_mode, action));
 
   cache->SetShortcutNameOfProfileAtIndex(profile_index,
                                          new_shortcut_appended_name);
 }