Always do DelegateExecute handler COM registration and make set dual mode prop on shortcuts.

chrome/installer/util/browser_distribution.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.
 //
 // This file defines a class that contains various method related to branding.
 // It provides only default implementations of these methods. Usually to add
 // specific branding, we will need to extend this class with a custom
 // implementation.
 
 #include "chrome/installer/util/browser_distribution.h"
@@ skipping 226 matching lines @@
 
 bool BrowserDistribution::GetChromeChannel(string16* channel) {
   return false;
 }
 
 bool BrowserDistribution::GetDelegateExecuteHandlerData(
     string16* handler_class_uuid,
     string16* type_lib_uuid,
     string16* type_lib_version,
     string16* interface_uuid) {
-  // Chrome's DelegateExecute verb handler is only used for Windows 8 and up.
-  if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
-    if (handler_class_uuid)
-      *handler_class_uuid = kCommandExecuteImplUuid;
-    if (type_lib_uuid)
-      *type_lib_uuid = kDelegateExecuteLibUuid;
-    if (type_lib_version)
-      *type_lib_version = kDelegateExecuteLibVersion;
-    if (interface_uuid)
-      *interface_uuid = kICommandExecuteImplUuid;
-    return true;
-  }
-  return false;
+  if (handler_class_uuid)
+    *handler_class_uuid = kCommandExecuteImplUuid;
+  if (type_lib_uuid)
+    *type_lib_uuid = kDelegateExecuteLibUuid;
+  if (type_lib_version)
+    *type_lib_version = kDelegateExecuteLibVersion;
+  if (interface_uuid)
+    *interface_uuid = kICommandExecuteImplUuid;
+  return true;
 }
 
 void BrowserDistribution::UpdateInstallStatus(bool system_install,
     installer::ArchiveType archive_type,
     installer::InstallStatus install_status) {
 }
 
 bool BrowserDistribution::GetExperimentDetails(
     UserExperiment* experiment, int flavor) {
   return false;
 }
 
 void BrowserDistribution::LaunchUserExperiment(
     const FilePath& setup_path, installer::InstallStatus status,
     const Version& version, const installer::Product& product,
     bool system_level) {
 }
 
 
 void BrowserDistribution::InactiveUserToastExperiment(int flavor,
     const string16& experiment_group,
     const installer::Product& installation,
     const FilePath& application_path) {
 }