Remove Chrome's ProgID from filetype associations at uninstall.

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 1155 matching lines @@
     if (cmd_line.HasSwitch(
             installer::switches::kRegisterChromeBrowserSuffix)) {
       suffix = cmd_line.GetSwitchValueNative(
           installer::switches::kRegisterChromeBrowserSuffix);
     }
     installer::InstallStatus tmp = installer::UNKNOWN_STATUS;
     const Product* chrome_install =
         installer_state->FindProduct(BrowserDistribution::CHROME_BROWSER);
     DCHECK(chrome_install);
     if (chrome_install) {
-      installer::DeleteChromeRegistrationKeys(chrome_install->distribution(),
-          HKEY_LOCAL_MACHINE, suffix, installer_state->target_path(), &tmp);
+      installer::DeleteChromeRegistrationKeys(*installer_state,
+          chrome_install->distribution(), HKEY_LOCAL_MACHINE, suffix, &tmp);
     }
     *exit_code = tmp;
   } else if (cmd_line.HasSwitch(installer::switches::kOnOsUpgrade)) {
     const Product* chrome_install =
         installer_state->FindProduct(BrowserDistribution::CHROME_BROWSER);
     if (chrome_install) {
       installer::HandleOsUpgradeForBrowser(*installer_state,
                                            *chrome_install,
                                            cmd_line.GetProgram());
     }
@@ skipping 331 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;
 }