Update from https://crrev.com/327068

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/base_export.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/strings/string16.h"
 
 namespace base {
 namespace win {
 
 enum ShortcutOperation {
   // Create a new shortcut (overwriting if necessary).
   SHORTCUT_CREATE_ALWAYS = 0,
   // Overwrite an existing shortcut (fails if the shortcut doesn't exist).
   // If the arguments are not specified on the new shortcut, keep the old
   // shortcut's arguments.
   SHORTCUT_REPLACE_EXISTING,
   // Update specified properties only on an existing shortcut.
   SHORTCUT_UPDATE_EXISTING,
 };
 
 // Properties for shortcuts. Properties set will be applied to the shortcut on
 // creation/update, others will be ignored.
 // Callers are encouraged to use the setters provided which take care of
 // setting |options| as desired.
-struct ShortcutProperties {
+struct BASE_EXPORT ShortcutProperties {
   enum IndividualProperties {
     PROPERTIES_TARGET = 1U << 0,
     PROPERTIES_WORKING_DIR = 1U << 1,
     PROPERTIES_ARGUMENTS = 1U << 2,
     PROPERTIES_DESCRIPTION = 1U << 3,
     PROPERTIES_ICON = 1U << 4,
     PROPERTIES_APP_ID = 1U << 5,
     PROPERTIES_DUAL_MODE = 1U << 6,
     // Be sure to update the values below when adding a new property.
     PROPERTIES_BASIC = PROPERTIES_TARGET |
         PROPERTIES_WORKING_DIR |
         PROPERTIES_ARGUMENTS |
         PROPERTIES_DESCRIPTION |
         PROPERTIES_ICON,
     PROPERTIES_WIN7 = PROPERTIES_APP_ID | PROPERTIES_DUAL_MODE,
     PROPERTIES_ALL = PROPERTIES_BASIC | PROPERTIES_WIN7
   };
 
-  ShortcutProperties() : icon_index(-1), dual_mode(false), options(0U) {}
+  ShortcutProperties();
+  ~ShortcutProperties();
 
   void set_target(const FilePath& target_in) {
     target = target_in;
     options |= PROPERTIES_TARGET;
   }
 
   void set_working_dir(const FilePath& working_dir_in) {
     working_dir = working_dir_in;
     options |= PROPERTIES_WORKING_DIR;
   }
@@ skipping 95 matching lines @@
 
 // Unpins a shortcut from the Windows 7 taskbar. The shortcut must exist and
 // already be pinned to the taskbar. The app id of the shortcut is used as the
 // identifier for the taskbar item to remove and must be set correctly.
 BASE_EXPORT bool TaskbarUnpinShortcutLink(const wchar_t* shortcut);
 
 }  // namespace win
 }  // namespace base
 
 #endif  // BASE_WIN_SHORTCUT_H_