On user-level Chrome self-destruct, make user-created shortcuts target system-level chrome.exe.

chrome/installer/util/shell_util.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.
 //
 // This file declares methods that are useful for integrating Chrome in
 // Windows shell. These methods are all static and currently part of
 // ShellUtil class.
 
 #ifndef CHROME_INSTALLER_UTIL_SHELL_UTIL_H_
 #define CHROME_INSTALLER_UTIL_SHELL_UTIL_H_
@@ skipping 507 matching lines @@
   // their target is |target_exe|.
   // If |location| is SHORTCUT_LOCATION_START_MENU, the shortcut folder specific
   // to |dist| is deleted.
   // Returns true if all shortcuts pointing to |target_exe| are successfully
   // deleted, including the case where no such shortcuts are found.
   static bool RemoveShortcuts(ShellUtil::ShortcutLocation location,
                               BrowserDistribution* dist,
                               ShellChange level,
                               const base::FilePath& target_exe);
 
-  // Applies the updates in |shortcut_properties| to all shortcuts in |location|
-  // that target |target_exe|.
-  // Returns true if all shortcuts pointing to |target_exe| are successfully
-  // updated, including the case where no such shortcuts are found.
+  // Applies the updates in |shortcut_properties| to all matching shortcuts
+  // in |location|, i.e.:
+  // - the shortcut's original target is |target_exe|,
+  // - if |require_args| is set, the original arguments are non-empty.
+  // Returns true if all updates to matching shortcuts are successful, including
+  // the vacuous case where no matching shortcuts are found.
   static bool UpdateShortcuts(
       ShellUtil::ShortcutLocation location,
       BrowserDistribution* dist,
       ShellChange level,
       const base::FilePath& target_exe,
+      bool require_args,
       const ShellUtil::ShortcutProperties& properties);
 
   // Sets |suffix| to the base 32 encoding of the md5 hash of this user's sid
   // preceded by a dot.
   // This is guaranteed to be unique on the machine and 27 characters long
   // (including the '.').
   // This suffix is then meant to be added to all registration that may conflict
   // with another user-level Chrome install.
   // Note that prior to Chrome 21, the suffix registered used to be the user's
   // username (see GetOldUserSpecificRegistrySuffix() below). We still honor old
@@ skipping 18 matching lines @@
   // required by the base32 standard for inputs that aren't a multiple of 5
   // bytes.
   static string16 ByteArrayToBase32(const uint8* bytes, size_t size);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ShellUtil);
 };
 
 
 #endif  // CHROME_INSTALLER_UTIL_SHELL_UTIL_H_