Disable registering, unregistering, and setting default browser...

chrome/installer/util/google_chrome_sxs_distribution.cc

 // Copyright (c) 2010 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 defines implementation of GoogleChromeSxSDistribution.
 
 #include "chrome/installer/util/google_chrome_sxs_distribution.h"
 
 #include "installer_util_strings.h"
 
@@ skipping 15 matching lines @@
 
 std::wstring GoogleChromeSxSDistribution::GetInstallSubDir() {
   return GoogleChromeDistribution::GetInstallSubDir().append(
       installer_util::kSxSSuffix);
 }
 
 std::wstring GoogleChromeSxSDistribution::GetUninstallRegPath() {
   return GoogleChromeDistribution::GetUninstallRegPath().append(
       installer_util::kSxSSuffix);
 }
+
+bool GoogleChromeSxSDistribution::CanSetAsDefault() {
+  return false;
+}