Refactoring installer shortcut deletion; adding dedicated shortcut update feature.

chrome/browser/chrome_browser_main_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/chrome_browser_main_win.h"
 
 #include <windows.h>
 #include <shellapi.h>
 
 #include <algorithm>
@@ skipping 127 matching lines @@
     base::FilePath chrome_exe;
     if (PathService::Get(base::FILE_EXE, &chrome_exe)) {
       ShellUtil::ShortcutLocation user_shortcut_locations[] = {
         ShellUtil::SHORTCUT_LOCATION_DESKTOP,
         ShellUtil::SHORTCUT_LOCATION_QUICK_LAUNCH,
         ShellUtil::SHORTCUT_LOCATION_START_MENU,
       };
       BrowserDistribution* dist = BrowserDistribution::GetDistribution();
       for (size_t i = 0; i < arraysize(user_shortcut_locations); ++i) {
         if (!ShellUtil::RemoveShortcut(user_shortcut_locations[i], dist,
-                                       chrome_exe, ShellUtil::CURRENT_USER,
-                                       NULL)) {
+                ShellUtil::CURRENT_USER, chrome_exe)) {
           VLOG(1) << "Failed to delete shortcut at location "
                   << user_shortcut_locations[i];
         }
       }
     } else {
       NOTREACHED();
     }
   }
   return result;
 }
@@ skipping 243 matching lines @@
   if (resource_id)
     return l10n_util::GetStringUTF16(resource_id);
   return string16();
 }
 
 // static
 void ChromeBrowserMainPartsWin::SetupInstallerUtilStrings() {
   CR_DEFINE_STATIC_LOCAL(TranslationDelegate, delegate, ());
   installer::SetTranslationDelegate(&delegate);
 }