Register Chrome in Active Setup to be called by Windows at user login.

chrome/installer/setup/setup_main.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 <windows.h>
 #include <msi.h>
 #include <shellapi.h>
 #include <shlobj.h>
 
 #include "base/at_exit.h"
@@ skipping 1059 matching lines @@
     // Check if we need to show the EULA. If it is passed as a command line
     // then the dialog is shown and regardless of the outcome setup exits here.
     string16 inner_frame =
         cmd_line.GetSwitchValueNative(installer::switches::kShowEula);
     *exit_code = ShowEULADialog(inner_frame);
     if (installer::EULA_REJECTED != *exit_code) {
       GoogleUpdateSettings::SetEULAConsent(
           original_state, BrowserDistribution::GetDistribution(), true);
     }
   } else if (cmd_line.HasSwitch(
+      installer::switches::kConfigureUserSettings)) {
+    DCHECK(installer_state->system_install());
+    const Product* chrome_install =
+        installer_state->FindProduct(BrowserDistribution::CHROME_BROWSER);
+    DCHECK(chrome_install);
+    // TODO(gab): Implement the new shortcut functionality here.
+    LOG(ERROR) << "--configure-user-settings is not implemented.";
+  } else if (cmd_line.HasSwitch(
       installer::switches::kRegisterChromeBrowser)) {
     installer::InstallStatus status = installer::UNKNOWN_STATUS;
     const Product* chrome_install =
         installer_state->FindProduct(BrowserDistribution::CHROME_BROWSER);
     if (chrome_install) {
       // If --register-chrome-browser option is specified, register all
       // Chrome protocol/file associations, as well as register it as a valid
       // browser for Start Menu->Internet shortcut. This switch will also
       // register Chrome as a valid handler for a set of URL protocols that
       // Chrome may become the default handler for, either by the user marking
@@ skipping 383 matching lines @@
   if (!(installer_state.is_msi() && is_uninstall))
     // Note that we allow the status installer::UNINSTALL_REQUIRES_REBOOT
     // to pass through, since this is only returned on uninstall which is
     // never invoked directly by Google Update.
     return_code = InstallUtil::GetInstallReturnCode(install_status);
 
   VLOG(1) << "Installation complete, returning: " << return_code;
 
   return return_code;
 }