Remove TODO I have already done.

base/win/shortcut.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 BASE_WIN_SHORTCUT_H_
 #define BASE_WIN_SHORTCUT_H_
 
 #include <windows.h>
 
 #include "base/logging.h"
@@ skipping 78 matching lines @@
   // The localized description of the shortcut.
   // The length of this string must be less than MAX_PATH.
   string16 description;
   // The path to the icon (can be a dll or exe, in which case |icon_index| is
   // the resource id).
   FilePath icon;
   int icon_index;
   // The app model id for the shortcut (Win7+).
   string16 app_id;
   // Whether this is a dual mode shortcut (Win8+).
-  // For now this property can only be set to true (i.e. once set it cannot be
-  // unset).
-  // TODO (gab): Make it possible to set this property to false.
   bool dual_mode;
   // Bitfield made of IndividualProperties. Properties set in |options| will be
   // set on the shortcut, others will be ignored.
   uint32 options;
 };
 
 // This method creates (or updates) a shortcut link at |shortcut_path| using the
 // information given through |properties|.
 // Ensure you have initialized COM before calling into this function.
 // |operation|: a choice from the ShortcutOperation enum.
@@ skipping 21 matching lines @@
 BASE_EXPORT bool TaskbarPinShortcutLink(const wchar_t* shortcut);
 
 // Unpins a shortcut from the Windows 7 taskbar. The shortcut must exist and
 // already be pinned to the taskbar.
 BASE_EXPORT bool TaskbarUnpinShortcutLink(const wchar_t* shortcut);
 
 }  // namespace win
 }  // namespace base
 
 #endif  // BASE_WIN_SHORTCUT_H_